Sperry Top-Sider Women's Canoe Liner Solid 3-Pack Nylon^Polyester^Spandex Keep your boat shoes feeling fresh with the Canoe Liner from Sperry Top-Sider&reg;. Sold in a three-pair pack. Invisible liner socks are ideal for boat shoes. Smooth toe seam for all day comfort. Wave siping silicone non-slip heel to prevent slippage. Anti-microbial treatment for fresh smelling feet. Sperry logo on bottom. 71% acrylic, 17% nylon, 11% polyester, 1% spandex Machine wash cold, tumble dry low. Imported.