What Our Gearhead(R) Experts Are Saying:"These socks are my favorite for Nordic skiing. The lightweight cushion is just enough for all-day comfort without bulk, and the precise fit means no bunching or slipping. They're warm, breathable, and made to last."The Darn Tough Oslo Nordic Boot Lightweight Cushion Sock is thoughtfully crafted for skiers who demand comfort and precision on the trail. With lightweight cushioning at the toes and over the top of the foot, these socks provide the perfect balance of comfort and a snug fit. Multi-zone mesh panels ensure breathability and flexibility, while reinforced Achilles cushioning enhances durability and reduces heel lift. Made with Merino wool, the Oslo sock wicks moisture, regulates temperature, and keeps feet warm and dry during long tours. Designed to rise just to the top of Nordic ski boots, these socks keep us focused on enjoying the snowy kilometers ahead.