Sperry Top-Sider Women's Liner Gulls Canoe Liner No Show Sock 3-pack 68% Combed Cotton/31% Polyester/1% Spandex Imported Machine Wash Great way to add a touch of style to your feet, but it still stays hidden under your boat shoes! Features silicone backing to keep liner in place and protect your heel! 3 Pair per pack. Great way to add a touch of style to your feet, but it still stays hidden under your boat shoes!Features silicone backing to keep liner in place and protect your heel!3 Pair per pack.