Sperry Top-Sider Men's Solid Canoe 3 Pair Pack Liner Socks 81% Cotton, 16% Polyester, 2% Rubber, 1% Spandex Imported Machine Wash Invisible liner is perfect for a no show look with boat shoes Features silicone wave sipping for keeping liner in place and protecting your heel Contains 3 pairs of liner socks Perfect for boat shoes and loafers