Smartwool Kids The primary materials that compose this product contain a minimum of 20 percent recycled content. Your junior can now explore the slopes in an elevated style and comfort wearing the Smartwool® Kids Ski Zero Cushion Tie-Dye Print Over-the-Calf Socks featuring a wider welt for a secure fit and body-mapped zones for enhanced breathability. Built with Indestructawool™ technology, the socks are highly durable and reliable for use during coldest weather conditions. They are designed with 4 Degree™ elite fit system for an optimized, performance-oriented fit. Shred Shield™ technology reduces wear from toes. 54% Merino wool, 30% recycled nylon, 12% nylon, 3% elastane, 1% polyester. Machine wash, tumble dry. Made in the USA. View Zappos.com Glossary of Terms Smartwool Kids Ski Zero Cushion Tie-Dye Print Over-the-Calf Socks (Little Kids/Big Kids)