Injinji 2012 Performance Midweight No Show Toe Socks polyester 60% CoolMax freshFX 35% Nylon 5% Lycra Injinji's most padded toesock that works well for sensitive feet and customers who prefer maximum cushion and support. Light compression throughout offers a snug fit that doesn't bulk. Machine wash on warm or hand wash your toesocks after each use, and line dry. Do not machine dry or dry clean your toesocks. China