3 x Mens Bonds Explorer Tough Work Crew Cotton Socks - Black/YellowTough work needs a tough sock and this Explorer Tough Work sock is perfect for the job. With a dual layer cotton inner and nylon outer for durability, it offers extra support where its needed. Features Arch support and elastane provide a great fit Cushioned foot for comfort and reducing impact Dual layer cotton inner and nylon outer Material: Cotton Nylon Elastane.