2 Pair Pack 60% Acrylic, 20% Merino Wool, 17% Nylon, 3% Spandex Naturally Moisture Wicking Comfort Thermal Insulating Wool Blend Natural Odor Resistant Wool Thick Full Cushion Comfort Embedded Arch Support Fights Against Foot Fatigue Reinforced Heel and Toe Maximize Protection Ribbed Stay-Up Top For a Secure, Comfortable Fit Smooth Toe Seams Provide All Day Comfort Mid-Calf Fit Vendor Product Number: W97927270