With its over-the-calf height, the SmartWool Wintersport Stripe Sock is perfect for any cold-weather activity. Medium full cushioning in the leg and sole keeps kids' feet warm and comfy while playing all day in the elements. The 3 x 1 ribbed welt and flat-knit toe seam help keep feet comfortable all throughout the day. SmartWool on the inside of the sock delivers excellent moisture management, temperature regulation, and odor control. This cozy sock is knit from a rugged blend of 78% Merino wool, 21% nylon, and 1% elastane fabric. Made in the USA.