Swiftwick Aspire Zero Sock cf-size-36dde Its hook and loop closure

Its hook and loop closure lets you adjust the fit

amplified by reflective zones on the front and sides for maximum visibility

You might need to trim the insole

Keep your stride feeling bouncy

Upper back storage stashes extra layers and other essentials

Swiftwick Aspire Zero Sock cf-size-36dde Its hook and loop closureThe ASPIRE Line of socks from Swiftwick is thin and light for serious runners and cyclists, yet still perfect for athletes of any sport. Swiftwick's most popular running sock, the ASPIRE ZERO no show has firm compression for contoured support. The ZERO no show sock sits below the ankle with minimal extension above your shoe. High Olefin content fabric wicks moisture away and won't bunch, keeping you happy and blister free.