Key Features:Made with 75% ultra-wicking Micro Denier Acrylic, 15% Nylon and 10% Spandex for exceptional comfort and strength.,All of our socks feature our \"stretch-to-fit\" sizing system and our exclusive \"easy-fit\" cuff for a perfect fit every time on any foot.,These features create superior softness and comfort and help eliminate blisters and hot spots.,We also feature a double stitched heel & toe for added strength and durability.,We deliver superior quality and high-tech comfort in every SockGuy sock we make. We guarantee it.,Cuff Height : 2\",Size: S/M (4-7) L/XL (7-12).