SPERRY Men's 3 Pack Stripe Marl Signature Invisible Liner Sock 55% Cotton/42% Nylon/3% Spandex Imported Machine Wash Men's Sperry, Liner Sock 3 Pack Liner style for a no show sock style, ideal for boat shoes Comes with 3 pairs Anti-microbial treatment Wave siping silicone heel to keep socks from slipping