Engineered to outlast and outperform most other work socks, even if you wear steel-toed boots. They’re a strategic blend of 40% olefin, 35% cotton and 25% stretch nylon with reinforcement from the tops of the heels through the bottoms and over the toes. Height: 11". Sizes: M (6-8), L (9-12), XL (13-15). Color: White/Gray.