Constructed to provide comfort and support even after miles of wear, the Ultra Run No-Show features cushioned terry throughout the foot and toes, to help soften the impact of tough runs and workouts on feet. Each toe is separated, eliminating all skin-on-skin contact between the toes and preventing blisters, while knit lines on the bottom of the footbed offer additional arch support. The No-Show length rests below the ankle and features a heel tab to protect against chafing. Features & Benefits: Arch Support Supportive band that offers a secure and stable fit. Blister Prevention With each toe protected, skin-on-skin friction is completely eliminated protecting your foot from blisters & just as important, hotspots. Moisture Management Each toe is wrapped in sweat-wicking material so your foot will be drier and therfore more comfortable than in traditional socks. Moisture Management Each toe is wrapped in sweat-wicking material so your foot will be drier and therfore more comfortable than in traditional socks. Fiber Content Fiber content: 33% CoolMax EcoMadeA(R) 64% Nylon, 3% LycraA(R) Padded Toes Extra cushion throughout the toes with midweight terry throughout the toes Protective Cushion Extra cushioning on the footbed to increase foot comfort Wash & Care: a Are your Injinji&';s dirty after a grueling run through the mud? It&';s time to wash them! To extend the life of your socks, we recommend washing all Injinji socks on delicate with cold water, followed by line drying.