4How 8 Pairs Mens' Ultimate Casual Cotton No Show Socks Performance Deep Gray One Size 100% Cotton Material:80%Cotton+17%Nylon+3%Spandex, imported Sock length is 9-12 1/2 inch,fits For US Size 5.5-12 .Great elasticity make your feet comfortable and fitted. High quality ,thickness, breathable,soft,stretchy,light weight. Solid color design makes it fashional and classic.Handable or machine wash. Great for party, beach, workout, outdoor, sports,dancing, performance, business,working or daily wear in any occasions, especially in summer.