From base camp to playground to snowy day hike, Realtree's heavyweight boot socks will keep their feet warm, dry and comfortable, thanks to the wicking, temperature-regulating merino wool blend fabric and shock-absorbing full cushioning. Heavyweight Crew: 60% acrylic, 20% merino wool, 17% nylon, 3% spandex Reinforced toes Machine wash, tumble dry Made in USA 🇺🇸 3 pairs - green, gray and blue Size children’s small Excellent used condition! Each pair was worn maybe once - if at all. Tons of life left to keep your little warm this winter! Smoke free home :)