The Darn Tough Outer Limits OTC Lightweight Mens socks are designed for those who seek comfort and performance during long days in ski or ride boots. Crafted from lightweight, thermoregulating merino wool, these socks are perfect for alpine adventures, offering excellent warmth and moisture management. With a new tech foot design and terry loop cushioning, they provide enhanced comfort and support, making them ideal for exploring beyond the boundaries. Materials 55% nylon, 41% merino wool, 4% elastane