Performance Thermal socks with merino wool regulate temperature, wick-away moisture, and reduce odor. These made in the USA mid-length socks have a seamless toe closure for comfort and reinforced heel for abrasion resistance. Mesh instep provides breathability and cushioned foot bed provides all day comfort. Rib top holds sock in place. Machine washable.Features Reinforced heel for abrasion resistance Performance Thermal Socks are Made in USA with Merino Wool for temperature regulation, moisture wicking and odor reduction Mesh instep for breathability Cushioned arch support for all day comfort Mid-length socks have a seamless toe closure for comfort Includes 1 Pair of Machine Washable Thermal Socks Machine washable Merino Wool, Seamless Toe, Cushioned Arch Support, Reinforced Heel Made in USA with global components Size: Large; Men's Shoe Size 7 to 11 Overall Length: 16.5 in (41.9 cm) Width: 3.63 in (9.2 cm) Height: 1 in (2.5 cm) Material: 51% Merino Wool, 41% Nylon, 6% Polyester, 2% Lycra Spandex Country of Origin: United States Color: Dark Gray Body with Light Gray and Orange Trim DownloadsSpec SheetVideo Download