85% Acrylic, 12% Nylon, 2% Spandex, 1% Rubber Machine Wash Warm, Tumble Dry Low Hi Bulk Acrylic Crew Soft and Comfy. Re-Enforced Heel & Toe For Added Durability. Smooth Toe Seaming for Added comfort. Classic Cable Knit Pattern Socks. Shop with confidence. Money back guarantee if not satisfied for any reason.