With its over-the-calf height, this sock is perfect for any cold-weather winter activity. Medium cushioning in the leg and sole keeps your kids' feet warm and comfy while playing all day in the elements. Merino wool inside offers exceptional moisture, temperature, and odor control. Flat-knit toe seam and 3 x 1 rib welt for added comfort. Knit from 76% Merino wool, 23% nylon, 1% elastane fabric. Made in the USA.