2Pack Outdoor Faucet Covers for Winter - Pro 6.7" W x 8.3" H Outdoor Water Faucet Cover Socks for Winter Freeze Protection Pipe Insulation Reusable Waterproof Insulated Spigot backflow Cover,Black

Why it's worth it

A three-layer insulated sock with a 420D Oxford shell, hook-and-loop straps, and a drawstring. It seals against uneven siding better than a rigid foam dome, and owners report using the same pair for several winters running.

This is the cover that handles a wall that isn't flat. Foam domes assume you have smooth, even siding and a spigot that sits close to it. Lap siding, brick, stucco, or a spigot on a slight angle all break that assumption, and the dome ends up gapping at the top. The soft sock body conforms instead. Owners specifically call out that it fits around inconsistent siding better than the foam covers they replaced.

The construction is three layers doing three jobs. The outer shell is a coated 420D Oxford fabric that sheds rain and blocks wind, the middle is PP insulated batting, and the whole thing measures 6.7 inches wide by 8.3 inches tall — roomy enough to swallow a standard hose bib with a bit of margin. Blocking wind matters more than people expect. Bob Vila's field work found covers that stop convective loss ran meaningfully warmer inside than open foam.

From our review of 6 outdoor faucet covers, by David Sinclair, Managing Editor

What we like

• +This is the cover that handles a wall that isn't flat
• +The construction is three layers doing three jobs
• +You get two closures, and using both is the point
• +The extra height also buys you room

What to know

• –The soft body doesn't hold its own shape, so on a deeply recessed faucet it can slump inward and sit against the metal instead…
• –It's also bulkier to store than a stack of foam domes