Smartwool Kids The Smartwool® Kids Smartwool Kids Hike Light Cushion Crew Socks will keep your little one comfy all day long. Ankle-length construction. Pull-on style. 54%wool, 42% 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 Light Cushion Crew (Toddler/Little Kid/Big Kid)