80% cotton 17% polyester 3% spandex Material:80% cotton, 17% polyester, 3% spandex Premium Fabric – Made of stretchy blended cotton material with 200-Needle dense knit, soft, breathable, comfortable and more elasticity Non Slip – Non-skid silicone grippers on the heel, which would which protect your feet from chafing and slipping. With enhanced Y-Heel construction, these low cut socks will cover your feet perfectly Fashion Stripe design would never go wrong. These no show liner ankle socks would be hidden well and perfectly matches with your all low cut shoes, like sneakers, oxford shoes, sports shoes, boat shoes, loafers, canvas and so on Care of washing – These socks contain 80% cotton material and the washing shrinkage can’t be avoid of though, they will stretch back out as soon as you wear them again. Please don??t worry about it. It is suggested cold wash and air dry.