Incredibly durable, lightweight crew socks that are ideal for mild-weather outings. SmartWool Fit System allows your feet to flex without bunching for all:day wearability. High-impact zones are reinforced for durability. 75% merino wool, 24% nylon, 1% elastane blend provides itch-free, moisture-wicking comfort. Arch brace holds socks securely in place. Flat-knit toe seams for long-term comfort. Machine washable. Made in USA. Men’s size: L(9 to 11-1/2) Colors: Taupe, Oatmeal.