The Smartwool Kids Ski Socks are made from high-quality Merino Wool, Nylon, and Elastane, providing warmth and durability for outdoor winter activities like skiing and snowboarding. These medium-sized socks feature a colorblock pattern in blue, ideal for kids who love the snow and skiing. With features like cushioning, moisture-wicking, and breathability, these Smartwool socks offer comfort and performance for active kids during the winter season. Made in the USA, these calf socks are a stylish and practical addition to any young athlete's wardrobe.