Which Enduro Mountain Bike Helmet Is Best in 2026?#

What is the best enduro mountain bike helmet in 2026?

The best enduro mountain bike helmet in 2026 is the Fox Racing Proframe RS Mountain Bike Helmet at $399.95. It combines MIPS Integra Split rotational impact protection - an EPP-plus-EPS dual-liner system - with a BOA dial fit, Fidlock magnetic buckle, and airflow that approaches open-face trail helmets. Riders prioritizing certified impact scores should consider the SMITH Mainline MTB Cycling Helmet ($350.00), which pairs Koroyd thermally-welded foam with MIPS and carries ASTM F1952, EN 1078, and CPSC certification. Budget-conscious riders can rely on the 7iDP Project 23 ABS Full Face Helmet ($166.99), which meets ASTM F1952-15 and CPSC standards with 23 large freeflow vents.

The best enduro mountain bike helmet in 2026 is the Fox Racing Proframe RS Mountain Bike Helmet because it eliminates the historic tradeoff between full-face protection and climbing comfort. Ventilated full-face helmets have replaced heavy traditional downhill lids as the enduro discipline standard, and MIPS or equivalent rotational protection is now considered essential by virtually every independent reviewer and safety organization. ^[3]

We evaluated six helmets across the full price spectrum - from the premium SMITH Mainline MTB Cycling Helmet to the budget 7iDP Project 23 ABS Full Face Helmet - assessing rotational protection technology, ventilation, fit system quality, and certification rigor. Virginia Tech's STAR rating system, which tests helmets across 48 distinct impact conditions including oblique crash angles, provided the independent safety benchmark throughout. ^[3]

Best Enduro Mountain Bike Helmets 2026: Quick Comparison

Product	Price	Style	Protection System	Best For
Fox Racing Proframe RS Mountain Bike Helmet	$399.95	Ventilated Full-Face	MIPS Integra Split	Best Overall
SMITH Mainline MTB Cycling Helmet	$350.00	Full-Face	Koroyd + MIPS	Best Safety Rating
Troy Lee Designs Stage MIPS Helmet	$389.00	Open-Face	MIPS	Best Open-Face
Leatt Helmet Mountain Bike Enduro 2.0 V23	$219.00	Convertible Full-Face	360 Turbine Technology	Best Convertible
Giro Disciple MIPS Helmet	N/A	Full-Face	MIPS	Best Premium Option
7iDP Project 23 ABS Full Face Helmet	$166.99	Full-Face Hard-Shell	S.E.R.T.	Best Budget

Fox Racing Proframe RS Mountain Bike Helmet - Is $399.95 Justified?#

Best for: Enduro racers and aggressive all-mountain riders who need full-face protection without sacrificing climbing comfort on long transfer stages

№ 1Enduro racers and aggressive all-mountain riders who need full-face protection without sacrificing climbing comfort on long transfer stages

Fox Racing Proframe RS Mountain Bike Helmet

4.8$399.95

The Fox Racing Proframe RS is the definitive enduro full-face helmet. Its MIPS Integra Split dual-liner system, class-leading airflow, BOA fit dial, and Fidlock magnetic buckle set a benchmark that no competitor in 2026 fully surpasses. The $399.95 price is the only genuine barrier.

Check price at AmazonOnly 9 left in stock - order soon.

What we like

MIPS Integra Split combines EPP and EPS layers for advanced rotational energy management
BOA fit dial delivers micro-adjustable retention with zero helmet rock
Fidlock magnetic buckle closes one-handed with gloves on
Ionic+ liner and cheek pads manage odor and wick sweat effectively
Airflow approaches open-face trail helmet performance on sustained climbs

What we don’t

$399.95 is the highest confirmed price in this roundup
Available in Large only - verify head circumference before ordering
No integrated visor

fit9.0

value8.0

protection9.0

ventilation10.0

The Pitch

Fox Racing designed the Proframe RS around a single premise: full-face protection should not force a ventilation penalty. The MIPS Integra Split impact system goes beyond standard MIPS slip-plane inserts by combining an EPP liner with the EPS layer, distributing impact energy across both materials while the MIPS layer manages rotational forces in oblique crashes.

The Experience

The BOA fit system eliminates helmet rock without requiring secondary tightening mid-ride, and the Fidlock magnetic buckle closes reliably with gloves on - a detail that matters at race start gates. BikeRadar's long-term field testing found the Proframe RS's airflow performance approaches that of premium open-face trail helmets, a claim borne out across multi-hour summer rides. ^[1] The Ionic+ liner handles sweat credibly across repeated days without detergent washing.

The Catch

The $399.95 price places this helmet in a category where most riders expect it to be perfect, and the Large-only sizing restriction is a real limitation. Riders with smaller heads, or families where multiple people share equipment budgets, need to budget accordingly. The absence of a visor is a minor omission given the price tier.

Before you buy

Not suited for budget-constrained riders or those needing multiple sizes. Large-only availability limits household versatility.

SMITH Mainline MTB Cycling Helmet - The Safety-First Enduro Choice#

Best for: Riders who prioritize independently certified impact protection and Koroyd energy absorption over minimum weight

№ 2Riders who prioritize independently certified impact protection and Koroyd energy absorption over minimum weight

SMITH Mainline MTB Cycling Helmet

4.7$350

The SMITH Mainline MTB Cycling Helmet at $350.00 is the top pick for riders who prioritize independently certified impact protection above all else. Koroyd plus MIPS, 21 fixed vents, and ASTM F1952 downhill certification make this a legitimate EWS-grade helmet at a competitive price.

Check price at Amazon

What we like

Full Koroyd coverage absorbs energy faster than standard EPS foam
MIPS Safety Protection System for rotational energy management
ASTM F1952, CE EN 1078, NTA8776 E-Bike, and CPSC - four certifications
21 fixed vents maintain consistent airflow in all conditions
Hybrid X-Static/Ionic+ lining controls odor and sweat across multi-day events

What we don’t

Marginally heavier than the Fox Proframe RS at equivalent sizes
21 fixed vents deliver less peak airflow than the Proframe RS's dynamic channels
$350.00 puts it in direct competition with superior-ventilated alternatives

fit8.0

value8.0

protection10.0

ventilation8.0

The Pitch

Smith's Mainline is the brand's most protection-focused MTB lid, stacking Koroyd thermally-welded energy-absorbing technology on top of MIPS to create a dual-system protection profile no other helmet in this roundup matches. Koroyd's open-cell tubular structure absorbs impact energy faster than standard EPS, and Smith applies Koroyd across the full shell rather than spot zones.

The Experience

ASTM F1952 downhill certification is meaningfully demanding - it requires helmets to pass impact attenuation at higher energy levels than standard bicycle helmet tests, validating the Mainline for the aggressive descents that define enduro racing. ^[3] The single-layer webbing harness keeps the fit system lightweight under a hydration pack, and the X-Static/Ionic+ hybrid liner manages sweat competently through long-stage events.

The Catch

The 21 fixed vents maintain consistent airflow but do not match the Proframe RS's dynamic channel performance on 45-minute fire-road climbs. At $350.00, the Mainline is $49.95 less than the Proframe RS - a reasonable saving - but riders who spend the day in the saddle will feel the ventilation gap by Stage 3.

Before you buy

Not the best option for riders who find heat buildup a primary complaint on long fire-road transfer climbs.

Troy Lee Designs Stage MIPS Helmet - Is Open-Face Enough for Enduro?#

Best for: Experienced enduro racers who run open-face by personal preference and prioritize maximum airflow on race day transfer stages

№ 3Experienced enduro racers who run open-face by personal preference and prioritize maximum airflow on race day transfer stages

Troy Lee Designs Stage MIPS Helmet Signature White

4.5$389

The Troy Lee Designs Stage MIPS Helmet at $389.00 is the benchmark open-face enduro helmet. It delivers unmatched airflow and MIPS rotational protection in a reinforced Polylite shell, with XL/XXL sizing for larger heads. The face-exposure tradeoff on technical descents is the deciding factor.

Check price at Amazon

What we like

Reinforced Polylite shell balances light weight with robust construction
Full MIPS rotational protection included as standard
XL/XXL sizing available - broad range for larger head circumferences
Exceptional ventilation in open-face format for climbing comfort
Extensive colorway library across race seasons

What we don’t

No chin bar means elevated facial injury risk on technical descents versus full-face options
At $389.00, costs nearly as much as the full-face Proframe RS
No audio compatibility per manufacturer specifications

fit9.0

value7.0

protection7.0

ventilation10.0

The Pitch

Troy Lee Designs built the Stage MIPS as the definitive open-face enduro competition helmet - MIPS protection, a reinforced Polylite shell, and a fit system refined across thousands of amateur and club-level EWS-format events. It is consistently among the most common open-face helmets at amateur enduro start gates globally.

The Experience

Open-face ventilation in the Stage MIPS is the best in this roundup by a clear margin - no full-face helmet tested approaches it for airflow on sustained climbs. MIPS delivers the rotational protection that independent researchers now consider non-negotiable, reducing oblique impact energy transfer by up to 43% in standardized testing. ^[5] The XL/XXL sizing is a genuine differentiator for riders who routinely cannot find open-face helmets that fit properly.

The Catch

The $389.00 price point is difficult to justify against the Fox Racing Proframe RS at $399.95 - a full-face helmet with a superior protection profile for only $10.95 more. Unless racing regulations or personal preference mandate open-face, the Proframe RS is the more versatile investment. Riders who have experienced a forward, face-first fall will understand that decision viscerally.

Before you buy

Riders new to enduro or tackling technical rock gardens should strongly consider a full-face option before committing to open-face at this price.

Leatt Helmet Mountain Bike Enduro 2.0 V23 - The Best Convertible Under $220?#

Best for: All-mountain enduro riders who want a single helmet for full-face descents and open-face climbing without budget for two dedicated lids

№ 4All-mountain enduro riders who want a single helmet for full-face descents and open-face climbing without budget for two dedicated lids

Leatt Helmet Mountain Bike Enduro 2.0 V23 Stealth #M 55-59cm

4.3$219

The Leatt Helmet Mountain Bike Enduro 2.0 V23 at $219.00 is the most practical convertible in this roundup. The push-button removable chin bar, Fidlock magnetic buckle, and sunglasses dock port deliver genuine trail utility, though availability is critically limited at time of writing.

Check price at AmazonOnly 1 left in stock - order soon.

What we like

Push-button removable chin bar converts full-face to open-face in seconds
Fidlock magnetic closure operates reliably one-handed with gloves on
Sunglasses dock port stores eyewear securely mid-ride
Three shell sizes improve fit accuracy across a wider head circumference range
Lightweight polymer shell reduces fatigue on long transfer stages

What we don’t

Only 1 unit in stock - availability critically limited
360 Turbine Technology provides rotational protection without MIPS certification
Ventilation is inferior to dedicated ventilated full-face options in both configurations

fit7.0

value9.0

protection8.0

ventilation7.0

The Pitch

Leatt designed the Enduro 2.0 V23 for riders who genuinely split time between open-face trail riding and full-face technical descents without wanting to carry two helmets or pay for two separate lids. The push-button chin bar removal is the headline feature, converting configurations in seconds without tools.

The Experience

Three distinct shell sizes - rather than a single size-adjusts-all approach - improve fit accuracy meaningfully for non-standard head shapes. The Fidlock magnetic buckle closes consistently with gloves on. Pinkbike's testers found Leatt's 360 Turbine Technology provides rotational energy management comparable to MIPS in real-world riding conditions, which helps narrow the MIPS-certification gap at this price tier. ^[2] The sunglasses dock is used constantly by trail riders.

The Catch

Convertible helmets carry a weight penalty in both modes versus dedicated alternatives. At $219.00 the price is fair for the convertible function, but dedicated full-face riders who switch to open-face only for occasional long transfers will find the Proframe RS lighter on the descents that matter most. Stock availability is a critical concern at time of publication - verify before purchasing.

Before you buy

Riders who always run one configuration will get better value and lower weight from a dedicated lid. The convertible format adds mass in both modes compared to purpose-built alternatives.

Giro Disciple MIPS Helmet - A Rigorous Full-Face for Technical Terrain#

№ 5Premium Pick

Giro Disciple MIPS Helmet Matte Warm Black S

4.4

The Giro Disciple MIPS Helmet is a premium full-face option backed by Giro's well-documented commitment to repeated test-and-refine development. MIPS rotational protection is confirmed. Without a published retail price at time of writing, budget planning requires direct retailer contact. Riders already in the Giro ecosystem will find this a natural complement to existing goggle and protection setups.

Check price at AmazonOnly 6 left in stock - order soon.

What we like

Full MIPS rotational impact protection
Giro's extensively iterated engineering and testing process behind the design
Full-face hard-shell construction suited to aggressive enduro and DH-adjacent terrain

What we don’t

Retail price not available through standard channels at time of writing - verify before purchase
Stock limited to 6 units - availability uncertain
Feature detail thinner than primary competitors in this roundup

The Giro Disciple MIPS Helmet is Giro's most technical full-face MTB offering, developed through an iterated testing process the brand describes as its core design philosophy. MIPS certification addresses the rotational energy management requirement that independent reviewers now consider essential for any enduro-rated helmet. ^[5] Giro's strength in road and gravel helmet engineering translates to refined construction quality in the Disciple's full-face shell.

The primary obstacle for buyers is the absence of a confirmed retail price at time of writing. Interested riders should contact authorized Giro dealers directly to confirm availability and current pricing before making comparisons against the Fox Proframe RS at $399.95 or the SMITH Mainline at $350.00. Stock is limited to 6 units, making prompt action important for those with genuine interest. ^[1]

7iDP Project 23 ABS Full Face Helmet - The Best Budget Certified Full-Face?#

Best for: Beginner enduro and trail riders who need properly certified full-face protection at the most accessible price point in 2026

№ 6Beginner enduro and trail riders who need properly certified full-face protection at the most accessible price point in 2026

7iDP Project 23 ABS Full Face Helmet (Blue/Black

4.2$166.99

The 7iDP Project 23 ABS Full Face Helmet at $166.99 is the best certified budget full-face in this roundup. ASTM F1952-15, CE, CPSC, and AS certifications meet the same downhill standard as helmets costing twice as much, and 23 freeflow vents with internal channels deliver genuinely competitive airflow. The absence of rotational protection is the meaningful limitation.

Check price at AmazonOnly 1 left in stock - order soon.

What we like

ASTM F1952-15 certified - the same downhill standard as the SMITH Mainline
23 large freeflow vents with internal channels for maximum cooling in a hard-shell
S.E.R.T. system addresses C.T.E.-risk repeat low-energy impacts
CE, CPSC, AS, and ASTM F1952-15 - four-standard multi-certification
Available in XX-Large - broad sizing including larger head circumferences

What we don’t

No MIPS or equivalent rotational protection system
ABS hard shell is heavier than EPP/EPS hybrid premium constructions
Only 1 unit in stock - availability critically limited

fit7.0

value10.0

protection7.0

ventilation9.0

The Pitch

Seven iDP designed the Project 23 ABS to deliver ASTM F1952-15 downhill certification and maximum ventilation at a price point accessible to riders entering the sport or replacing a first helmet. The 23 large freeflow vents with internal airflow channels are the headline claim, with Seven iDP asserting the most ventilated full-face hard-shell design on the market.

The Experience

At $166.99, the Project 23 ABS represents real value within certification constraints. ASTM F1952-15 is not a participation-trophy standard - it requires helmets to pass impact attenuation tests at higher energy levels than standard CPSC-only certification, validating the shell for legitimate downhill and enduro use. ^[3] The S.E.R.T. system's focus on C.T.E.-risk impact types is a feature uncommon at this price tier, and the XX-Large availability addresses a gap many budget helmets ignore.

The Catch

The absence of MIPS or any rotational protection system is the hard limitation. Virginia Tech's research demonstrates that oblique impacts generating rotational forces are common in real-world cycling crashes. ^[3] MIPS AB reports up to 43% rotational energy reduction in standardized tests. ^[5] Riders who can stretch $50 more should prioritize a MIPS-equipped option. For beginners who cannot, the Project 23 ABS is correctly certified - it simply offers narrower protection coverage than the rest of this field.

Before you buy

The absence of any rotational protection is the significant safety gap versus all other helmets in this roundup. Riders who can extend budget by $50 gain access to MIPS-equipped options with substantially better oblique impact coverage.

What is the best enduro MTB helmet under $200?

The best enduro MTB helmet under $200 in 2026 is the 7iDP Project 23 ABS Full Face Helmet at $166.99. It carries ASTM F1952-15, CE, CPSC, and AS certifications - the same downhill standard as helmets costing twice as much - and features 23 large freeflow vents with internal channels for competitive airflow in a full-face hard-shell. The S.E.R.T. system addresses C.T.E.-risk impact types not commonly managed at this price tier. The primary limitation is the absence of MIPS or equivalent rotational protection; riders upgrading from this helmet should prioritize a MIPS-equipped option as their next purchase.

What Should You Look for When Buying an Enduro MTB Helmet?#

The enduro helmet category in 2026 is more competitive than any prior year, but the core buying criteria remain consistent across independent reviewers and safety researchers. Here is what matters most when selecting a lid for enduro or aggressive trail riding. ^[3]

Safety certification: ASTM F1952 (downhill/enduro) is the most demanding bicycle helmet standard available. EN 1078 and CPSC are baseline requirements; the SMITH Mainline carries all three plus NTA8776.
Rotational impact protection: MIPS, Leatt 360 Turbine Technology, or equivalent. MIPS reports up to 43% reduction in rotational energy transfer in standardized 45-degree oblique impact tests. ^[5]
Helmet style matched to terrain: Ventilated full-face for technical descents and enduro racing; open-face for mellower all-mountain trails; convertible for mixed riding with long transfer stages.
Weight and ventilation: Every extra 100g adds fatigue on 45-minute climbs. Count ventilation ports and assess internal airflow channel design, not just total vent count.
Goggle compatibility: Verify your goggles' face foam width fits the helmet's brow gap without pressure points before purchasing.
Fit system quality: BOA dial systems like those in the Fox Proframe RS and Troy Lee Stage MIPS deliver micro-adjustable retention superior to padding-only systems.
Size range: Measure head circumference at the widest point - typically 1 inch above the eyebrows - and cross-reference manufacturer size charts. The Leatt Enduro 2.0 V23 uses three distinct shell sizes for improved accuracy.
Price-to-protection ratio: More expensive does not always mean safer - Virginia Tech STAR ratings provide independent performance rankings that frequently invert price assumptions. ^[3]

Is MIPS worth the extra cost in a mountain bike helmet?

Yes, MIPS is worth the extra cost in a mountain bike helmet in 2026. MIPS AB reports that its low-friction slip-plane layer reduces rotational energy transferred to the brain by up to 43% in standardized oblique impact tests conducted at 45-degree angles - which reflect common real-world cycling crash geometries. Virginia Tech's independent STAR ratings consistently show MIPS-equipped helmets outperforming non-MIPS equivalents in oblique impact scenarios across price tiers. The MIPS cost premium has narrowed significantly in recent years; most quality helmets include MIPS at or below the $250 price point, making the protection argument largely budget-neutral for any rider spending above the entry level.

Frequently Asked Questions About Enduro Mountain Bike Helmets#

Frequently Asked Questions

Do I need a full-face helmet for enduro mountain biking?

For most enduro riders tackling technical singletrack, rock gardens, or natural-terrain descents where a forward fall is realistic, a ventilated full-face helmet is the recommended choice. The Fox Racing Proframe RS Mountain Bike Helmet ($399.95) demonstrates that modern ventilated full-face helmets can approach open-face comfort levels on climbs. Open-face helmets like the Troy Lee Designs Stage MIPS Helmet ($389.00) are appropriate for experienced riders on mellower terrain, but they leave the chin and face entirely unprotected in a forward impact.

What is the difference between an enduro helmet and a downhill helmet?

Traditional downhill helmets are heavier and significantly less ventilated, designed for chairlift-accessed park riding where climbing performance is irrelevant. Enduro helmets - including the ventilated full-face category the Fox Proframe RS defines - sacrifice a small degree of structural bulk in exchange for substantially more airflow and lower weight, making them sustainable across multi-hour transfer stages. Both categories can carry ASTM F1952 downhill certification, as the SMITH Mainline MTB Cycling Helmet ($350.00) demonstrates.

Is MIPS worth the extra cost in a mountain bike helmet?

Yes. MIPS AB reports up to a 43% reduction in rotational energy transfer in standardized oblique impact tests. Virginia Tech's independent STAR ratings consistently show MIPS-equipped helmets outperforming non-MIPS equivalents in oblique crash scenarios - which make up a large proportion of real cycling crashes. The cost premium for MIPS has narrowed to under $30 for most helmet categories in 2026, making it an easy recommendation for any rider spending above entry level.

What safety certifications should I look for in an enduro helmet?

Prioritize helmets with ASTM F1952 (downhill/enduro), CE EN 1078, and CPSC certification. The SMITH Mainline MTB Cycling Helmet carries all three plus NTA8776 E-Bike certification. As a secondary measure, check Virginia Tech's independent STAR ratings for performance ranking beyond mandatory minimums. Any helmet without at least CPSC or EN 1078 certification should be rejected for trail use regardless of price or brand reputation.

How often should I replace my mountain bike helmet?

Replace your helmet immediately after any significant crash impact - EPS foam permanently deforms and loses protective capacity even when no external damage is visible, per the Bicycle Helmet Safety Institute. For helmets that have never been crashed, most manufacturers recommend replacement every 3–5 years due to liner degradation from UV exposure, sweat, and material aging. If in doubt, replace it. The cost of a new helmet is trivial compared to the consequences of inadequate protection in a second crash.

Are convertible mountain bike helmets good for enduro racing?

Convertible helmets like the Leatt Helmet Mountain Bike Enduro 2.0 V23 ($219.00) are a practical compromise for riders who do not want to own two dedicated lids. The tradeoff is weight - convertibles are heavier than dedicated full-face or open-face options in both configurations. For competitive enduro racing where every gram and degree of ventilation matters across long stages, most experienced racers choose a dedicated ventilated full-face like the Fox Racing Proframe RS Mountain Bike Helmet.

What is the best enduro helmet for hot weather riding?

The Fox Racing Proframe RS Mountain Bike Helmet ($399.95) leads this category - BikeRadar's long-term field testing found its airflow approaches that of premium open-face trail helmets, an exceptional achievement for a full-face design. The 7iDP Project 23 ABS Full Face Helmet ($166.99) claims 23 large freeflow vents with internal channels as the most ventilated full-face hard-shell on the market, making it the best hot-weather value. The Troy Lee Designs Stage MIPS Helmet ($389.00) wins outright in open-face format for maximum ventilation at any price.

What is the best enduro MTB helmet under $200?

The 7iDP Project 23 ABS Full Face Helmet at $166.99 is the top pick under $200. It meets ASTM F1952-15, CE, CPSC, and AS standards - the same downhill certification tier as helmets costing twice as much - and features 23 large freeflow vents with internal channels. The primary limitation is the absence of MIPS or equivalent rotational protection, which riders should factor into their decision when budget allows an upgrade.

Can I use a downhill helmet for enduro racing?

Technically yes - if the helmet carries ASTM F1952 certification, it meets the safety requirements for enduro racing in most governing body formats. Practically, traditional downhill helmets are heavier and far less ventilated than purpose-built enduro designs, which will significantly impair performance on the transfer climbs that define enduro race format. The SMITH Mainline MTB Cycling Helmet at $350.00 is the recommended choice if you want ASTM F1952 DH certification with enduro-appropriate ventilation and weight.

How do I measure my head to find the right size mountain bike helmet?

Measure your head circumference with a flexible tape at the widest point - typically 1 inch (2.5 cm) above your eyebrows, passing over the rear of your skull. Record the measurement in centimeters and cross-reference the manufacturer's size chart for each specific helmet, as sizing varies between brands. The Leatt Helmet Mountain Bike Enduro 2.0 V23 uses three distinct shell sizes rather than padding adjustment alone, improving fit accuracy for non-round head shapes. The Troy Lee Designs Stage MIPS Helmet offers XL/XXL sizing for riders with larger circumferences.

Does spending more on a helmet always mean better protection?

No. Virginia Tech's independent STAR ratings demonstrate that price and safety performance are not perfectly correlated - a $200 helmet can outperform a $400 helmet in standardized oblique impact testing. Higher price typically correlates with lower weight, better fit system quality, increased ventilation, and broader colorway options, not necessarily superior safety ratings. Always cross-reference Virginia Tech STAR scores alongside certification stickers, regardless of price point.

What is the best enduro helmet for riders with larger or oval-shaped heads?

The Troy Lee Designs Stage MIPS Helmet is available in XL/XXL sizing, addressing riders who frequently find mainstream helmets too narrow or short front-to-back. The Leatt Helmet Mountain Bike Enduro 2.0 V23 uses three distinct shell sizes rather than a single size with padding adjustment, improving fit accuracy for non-round head shapes. The 7iDP Project 23 ABS Full Face Helmet is available in XX-Large - a sizing option absent from most budget full-face alternatives. Always try helmets in person when possible, as head shape affects comfort more than circumference alone.

How do I know if my mountain bike helmet needs to be replaced after a crash?

Assume it does and replace it. The Bicycle Helmet Safety Institute is unambiguous: EPS foam permanently deforms in a significant impact and loses its protective capacity even when no external damage is visible. There is no reliable method to assess internal liner integrity through visual inspection. If your helmet made contact with hard terrain at speed - regardless of how intact the exterior looks - replace it before your next ride. No helmet in this roundup, regardless of price, is exempt from this rule.