Dakine Men's Thinline Socks 50% Merino Wool 30% Acrylic 10% Polyester 7%Nylon 3% Spandex Imported Shin, heel, and toe padding Thin profile for ultimate foot-to-boot connection Rolled no-slip welt top keeps socks up Reinforced heel and toe for durability Compression zone at arch Shin, heel and toe padding