Bridgedale Men's Hiker Sock 35% Viscose from Bamboo32% Coolmax / Polyester/ 31% Nylon / Polyamide/ 2% Lycra / elastane Imported Constructed with Viscose from bamboo Shaped mesh for coolness and quick drying Cushioned forefoot for comfort and protection and sling shot lycra in the heel for improved fit Highly breathable Ideal for hiking and backpacking