Bear&';s Den signature Sun protection. The Single Layer Tube is built for moments when you&&';;re ready to break a sweat and stay shielded from the sun. Light enough for mild temperatures but aggressive against the cold, the Single Layer Tube is the ideal insulation between you and any sun, wind, or moisture that comes your way. Made in the USA Features: Finished Seams:Maximizes durability and a polished, high-quality look. Four-Way Stretch:Adapts to your every move for full freedom and flexibility. Helmet-Friendly:Ergonomic, secure, streamlined fit-whether under or over a helmet. Lens-Safe:Soft enough to wipe goggles without scratching or damaging lenses. Moisture-Wicking:Pulls sweat away from your skin, keeping you dry and comfortable. Odor-Free:Built-in protection maintains freshness when the going gets tough. Thermal Regulation:Absorbs excess heat when it&';s warm and releases it when it&';s cold. Wash-Friendly:Resists fading and shrinking for long-lasting wear. TECH SPECS: Fabric Content:80% polyester, 20% spandex. Fit:One size fits most adultsCrown length: 7.25" - 9.26"Head circumference: 21" - 23.75" Country of Origin:USA WarrantyOne year warranty Care:Machine wash cold delicate with like colors or hand wash. Air dry when possible or tumble dry low. No bleach, no softeners, no harsh detergents. Avoid washing with outerwear that has velcro.