This smaller version of SmartWool's classic adult hiking sock provides enough comfort for your youngest outdoor enthusiasts to explore varied terrain. Delivering the right degree of all-around comfort in warmer weather, its construction utilizes a merino wool blend for natural moisture and temperature regulation, while lighter cushioning helps them reach their stride as they're walking along uneven terrain and roads. For a chafe-free, ergonomic fit, arch support and flat-knit toe seams align right with the foot's shape and cut down on irritation.. . Made out of a 50% merino wool/48% nylon/2% elastane blend. Merino wool naturally wicks away moisture and controls body temperature, helping them stay dry. Flat-knit toe seam reduces irritation. Elasticized arch brace aligns right with their foot's shape for a comfortable fit. Light cushioning offers just enough comfort for varied and road terrain and warmer conditions. Crew height. Made in USA out of imported yarn.