Illinois Illini Sport Socks Size:Small/Medium there is an all-new integrated

there is an all-new integrated anti-slip heel cup that will not deform or weaken over time

Presta Valve Compatible

Stratos easily adjusts to a wide range of builds

contains B1

Illinois Illini Sport Socks Size:Small/Medium there is an all-new integratedRunning, triathlon, cycling socks by Adrenaline Promotions feature core spun COOLMAX fabric which is the best of both worlds; unsurpassed moisture management and LYCRA sport stability. Our specific knitting machines place the COOLMAX fabric on the inside of the socks where it controls moisture from the foot; while the 3 ply nylon is used on the outside of the sock for strength and durability. The core spun yarn is the most efficient way of knitting