Smartwool Kids The Smartwool® Kids Smartwool Kids Hike Full Cushion Crew Socks are a great addition to your kids' wardrobe essentials. Allover cushioning for added protection and warmth. Temperature regulation, breathability, and odor control. Crew length socks. Elasticized arch brace for enhanced comfort. Flat knit toe seam. 61% merino wool, 35% nylon, 2% recycled nylon, 2% elastane. Machine wash, tumble dry. Made in the USA. View Zappos.com Glossary of Terms Smartwool Kids Smartwool Kids Hike Full Cushion Crew (Toddler/Little Kid/Big Kid)