BUFF Junior Original Multifunctional Headwear has been re-engineered with a 4-Way, seamless, ULTRA STRETCH fabric construction that features UPF 50 protection and 100% recycled REPREVE Performance Microfiber. Can be worn more than 12 different ways, from a cap to a balaclava to a hair tie, for a personalized style and perfect fit.. . . . . FITS KIDS AGES 6 TO 11. 4-way stretch. UPF 50 Sun protection. 100% recycled REPREVE Performance Microfiber. Moisture-wicking, quick-drying, breathable. 100% Seamless. Multifunctional - 12+ ways to wear. Product Dimensions: (approx.) 18.5 (L) x 8.5 (W) inches. Weight: 1.2 ounces. 95% Polyester, 5% Elastane . Machine wash. Imported.