Product information: Made from Best of Class Combed Cotton for Maximum Comfort and Softness. Soft Terry Fabric at the Bottom of the Foot Provides Adequate Cushioning and Superior Sweat Absorption for Day Long Comfort. Mid-Foot Arch Compression from Top Grade Durable Elastic Improves Circullation, Gives Superior Grip, Along with a Snug, Comfortable Fit. Heel and Toe Area are Reinforced with 50% More Material to Add Extra Strength to the Sock so that it Withstands Everyday Wear and Tear. The Sports Cushion Socks That Suit a Wide Range of Activities Such As Running, Gym Workouts, Training and Everyday Casual Usage. Fabric: Contains: Organic Cotton, Nylon, Elastane, Polyester Fabric blend may vary slightly between batches. Care instructions: Machine wash in cold water with like colours Do NOT Tumble dry Hang to dry in a cool shady area away from sun Do not use bleach, fabric softeners or dryer sheets Do not iron Warning: Materials used in this product may cause an allergic reaction in some individuals.