OS1st Crew Active Comfort Socks AC4 color-Purple As hybrid road/trail design built

As hybrid road/trail design built on a wider last than the previous generation’s narrow racing silhouettes

Center Back: 22

An icon of timeless design and legendary comfort

Wind resistant

Most sought after for a reason

OS1st Crew Active Comfort Socks AC4 color-Purple As hybrid road/trail design builtDescription Targeted zones of light to moderate compression create anatomical fit, fight blisters, and stay put while active. Contoured nano bamboo charcoal padding for added comfort. Cooling panels for temperature regulation. For the best fit, it is important to use the size chart before ordering. PERFORMANCE FEATURES Ultra soft nylon treated with silver ion technology for anti bacterial odor and moisture wicking ability NanoBamboo Charcoal ionized