BUFF® Polar Multifunctional Headwear has been engineered with a 4-Way, seamless, ULTRA STRETCH fabric construction, that features UPF 50 protection,100% recycled REPREVE® Performance Microfiber, and PrimaLoft® fleece. 4-way stretch PrimaLoft® fleece UPF 50 Sun protection* 100% recycled REPREVE® Performance Microfiber Multifunctional - 10+ ways to wear Moisture-wicking, quick-drying, breathable One-size-fits-most adults Specs Product Dimensions: (approx.) 29.5 (L) x 9.5 (W) inches Weight: 2.3 ounces