Streamlined and light, this is a versatile sock for all kinds of runners. It keeps your feet dry and cool – mesh at the top and COOLMAX fibers move moisture and let things breathe – and our unique toesock design protects each toe from blisters, hotspots, and moisture buildup. The ergonomic fit and integrated arch support hug your feet, your toes are free to splay for better alignment, and the mini-crew sits just above the ankle to provide protection and freedom. Features and Benefits Blister Prevention With each toe protected, skin-on-skin friction is completely eliminated protecting your foot from blisters and hot spots. Moisture Management Each toe is wrapped in sweat-wicking material so your foot will be drier and therefore more comfortable than in traditional socks. Total Foot Utilization When your toes are separated and properly aligned, this allows your entire foot to be engaged in any athletic activity. Mesh Top It provides maximum breathability and ventilation on the top of foot. Arch Support A supportive band that offers a secure and stable fit. Fiber Content 28% COOLMAX 67% Nylon 5% Lycra Wash & Care 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, Injinji recommends washing all of their socks on delicate with cold water, followed by line drying.