Perk up your day with the rich colors and varied pattern of SmartWool's Pine Glass Knee Socks. Built in arch support boosts stability and fit, while strategic mesh zones enhance breathability. Made from pure merino wool, nylon, and elastane. Ultralight: No cushioning for a perfect fit with close fitting shoes and flats. Strategic mesh zones for maximum ventilation. Supportive arch brace for a comfortable fit and to keep the sock in place. SmartWool delivers soft, itch free comfort, even foot temperature, moisture management, and odor control. Nylon adds extra durability. Knee high. Machine wash warm, inside out, gentle cycle tumble dry low or line dry. Knit in the USA of imported yarn.