Whether you're at home or at the office, the comfort series sock from Injinji(R) is a great all-around sock for everyday wear. Built with AIS:technology(tm) and knitted with ultra fine combed Mélange cotton that is amazingly comfortable for your feet. The Anatomical Interface System(AIS) is designed to separate the toes with a thin, anti-friction membrane that is lightweight and breathable. Seamless construction allows for a more natural restriction free movement from your heel to your toes, encouraging healthy circulation, and eliminates skin on skin contact between your toes to prevent blister from forming. A dual welted band with Injinji(R) logo at cuffs keeps sock lifted for support. Arch support has three ply construction promoting circulation and non-slippage. A vector heel that is precision stitched for anti-slipping and accurate sizing. Anatomical 5 toe design prevents skin on skin friction and blistering, moisture wicking properties, and enables natural movement from the heel to the toes. Consists of 25% nylon, 70% Mélange - cotton, 5% spandex. Machine wash warm. Do not bleach. Line dry. Available in a 3 pair pack. Crew cut design for added comfort.