Injinji's lowest-bulk sock is built for all types of runs on all kinds of surfaces. Their unique five-toe performance design eliminates the friction that can cause blisters, and keeps your toes free for better feel and a natural fit on uneven terrain. Soft, durable seamless construction creates a supportive, secure fit, a mesh top and COOLMAX fibers help keep feet dry and cool, and a band under the arch provides support and stability. The no-show length rests below the ankle and features a heel tab to protect against chafing and keep your socks from sliding into your shoes. 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.