Extra Long Staple Peruvian Pima Cotton Increased Tensile Strength, Durability and Luxurious Hand 70% Peruvian Pima Cotton, 28% Nylon, 2% Spandex 200 Needle Lightweight Construction Moisture Wicking Antimicrobial - Minimizes Foot Odor Pill Resistant Construction Boot Length (Shorter than Over the Calf, Taller than Anklet - Perfect for Every Boot) Care Instructions: Machine Wash on Cold; Do Not Bleach; Do Not Dry Clean; Tumble Dry Low One Size Fits Most