Injinji Socks Lightweight Run Performance 2.0 No Show White 1 pair Natural Toe SplayBlister PreventionSuperior Moisture ManagementTrue L/R anatomical secure fitBetter gripping and balance inside shoeToe mobility which allows stronger, healthier feetEnjoy a more natural run and work out with the unique five toe sleeve design that offers the ultimate in restriction-free movement and moisture management.CoolMax XtraLife® fiber keeps feet cool, dry, and comfortable. The abrasion resistant fiber boosts durability and lasts after repeated wear and washings.Maximize your comfort by minimizing bulk, moisture build up and friction with the RUN 2.0 Lightweight No-Show. This ultra-thin, minimalist style performance toesock allows your toes to align and splay naturally resulting in a more comfortable fit. Keep your feet cool with the light and breathable mesh top that maximizes ventilation.The No-show rests below the ankle and features a heel tab to protect against chafing and keep the sock from sliding into the shoe. SIZING CHART Womens Mens Small 6-8.5 5-7.5 Medium 9-11.5 8-10.5 Large -------- 11-13 CoolMax® in an enhanced polyester fiber and is the industry leader when it comes to moisture management. CoolMax® fabric is specifically designed to provide not only superior moisture management but also to enhance the wearer's comfort. All benefits of CoolMax® are built into the fiber requiring no chemical treatments like many other wicking fabrics.