Material of No Show Socks: Made of 95% polyester,5% spandex.High quality material makes these athletic ankle socks so soft and comfortable to keep your feet dry throughout the day. Seamless Toe Linking,Sole Cushioning: Seamless toe design on toe area for perfect, comfortable and fit.Arch elastic provides added support, and stability for a perfect fit; Plush under sole cushioning for extra protection. Non-slip: Y shaped deep heel pocket ensures that the sock fits the contours of the foot so perfectly and WILL NOT SLIDE DOWN!The elastic band on the middle of sock keeps the socks firm on the feet when you wear. Style: Match with any shoes, loafers, oxfords, sneakers and more! They suitable for many scenarios such as home, casual,party, running ,climbing and hiking in spring, autumn and winter. One Size Fits Most Men: Men’s Shoe Size 6-12 (US)(Sock Size 10-13).