Inherently moisture-wicking and naturally insulating, the merino wool and nylon used to make these socks makes them ideal for cold-weather or high-exertion activities. Stretch fibers ensure a snug fit from top to toe. Flat toe seams prevent irritation. High-impact areas in the toes and heels are double-reinforced with added nylon. Soft merino wool cushioning throughout provides all-day comfort. Made in USA. Size: Large. Colors: Gray/Black, Cocoa, Khaki/Green, Gray/Light Blue, Charcoal/Natural, Khaki/Hunter, Sky Blue, Smoke, Gray/Navy, Taupe/Blue (not shown), Gray/Orange (not shown).