Keep your boat shoes feeling fresh with the Canoe Liner from Sperry Top-Sider®. 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. Combed cotton for added softness. Sperry logo on bottom. Sold in a 3-pair pack.