The SockGuy Owl Sock for women is made with 75% Ultra-wicking Micro Denier Acrylic, 15% Nylon, and 10% Spandex for exceptional comfort and strength. All SockGuy socks feature their Stretch-to-Fit sizing system and 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. SockGuy also feature a double stitched heel & toe for added strength and durability. They deliver Superior Quality and High-Tech Comfort in every SockGuy sock.