It's time for some family trail time, thanks to a hiking sock built specifically for your kiddos. Smartwool's Kids' Striped Hike Medium Crew has medium cushioning and super-soft Merino, and no extra bulk means you can all stay longer on the trail. 60% Merino Wool, 38% Nylon, 2% Elastane. Light Cushion: The ideal cushion for varied trail and road terrain. Sock Height: Crew. Designed to fit perfectly in kids' shoes without additional bulk. Sizing clearly indicated on the sock. Flat knit toe seam. Elastic arch brace. Made in USA of Imported Yarns.