Activity: skiing, snowboarding. Cushion: zero. Weight: midweight. Height: over-the-calf. Material: 55% merino wool, 40% nylon, 4% elastane, 1% polyester. Machine Wash. Mesh,Merino Wool.Best Sellers Rank: See Top 100 in Clothing, Shoes & Jewelry. : B09HHN5XXY. Manufacturer: Smartwool. Date First Available: September 7, 2021. Department: boys. Item model number: Smartwool. Product Dimensions: 11 x 5 x 2 inches; 2.4 Ounces.