Owala FreeSip Stainless Steel Water Bottle 32 oz Very, Very Dark

Why it's worth it

Same lid, same insulation, eight more ounces. The 32-ounce FreeSip is actually a hair shorter than the 24 and only adds a couple of ounces empty, so it's the pick if you're tired of hitting the water fountain at three o'clock.

The numbers are closer than you'd guess. The 32-ounce stands 10.63 inches tall against the 24-ounce's 10.68 — it grows outward, not upward — and weighs about 0.95 pounds empty versus 0.88. Filled, you'll notice the extra water on your shoulder. Standing upright in a bag, you mostly won't notice anything. That's why this size gets recommended so often for backpack side pockets.

Get this one if your day has a long middle. A full shift, a double class block, an afternoon where you can't wander off to a tap — those are the stretches where 24 ounces means two or three refills. Thirty-two usually means one. If you're tracking intake, the math is friendlier too: two fills puts most people near a sensible daily target without much thought.

From our review of 7 owala water bottles

What we like

• +The numbers are closer than you'd guess
• +Get this one if your day has a long middle
• +Everything else carries straight over

What to know

• –It's the awkward middle child in one specific way — it's wide