Materials: 65% Polypropylene, 33% Polyamide, 2% Elastane. Our non-slip running socks have arch compression and cushioning for comfortable, soft, blister-free runs. Breathable, light Prolen and sweat-wicking ventilation lanes ensure fresh and dry feet. These cushioned athletic sports socks are designed to reduce foot fatigue and are perfect for long-distance runs such as marathons. They are also great as an everyday sock. Our running socks are developed and tested with endurance athletes to ensure the highest standards of quality and performance. Washing instructions: Should be washed before use. Machine wash at max. 104°F. Turn inside out for washing. Wash with similar colours. Do not iron. Do not tumble dry. Use detergent without bleach. Running Socks for Long Distances, for Men & Women, Anti-Blister, Padded Athletic, Performance Sports, Plantar Fasciitis, Arch Compression. Available in 3 or 5 pack.