Cat Bamboo Sock 3 Pack BlackMade from bamboo materials for ultimate comfort and to suit all conditions, the Mens Bamboo Sock is great to pair with work boots or sneakers. These mens socks come in a pack of 3 and are naturally hypoallergenic and anti bacterial, with a fully cushioned foot. Details Medium Sizing: US 8 11 Large Sizing: US 12 15 88% Bamboo, 8% Cotton, 4% Elastane Naturally Hypoallergenic with Anti Bacterial Properties Reinforced heel & toe Fully cushioned foot