Function: The pirate hat is large and long enough to cover your neck, protecting your head and neck from burning when you go out in hot summer, keeping you cool and comfortable. Sweat Absorption: helmet liner with sun shade is easy to wear, this cap is made to absorb sweat and cover your neck from the sun. Sun Protection: The cycling beanie has UV protection, can effectively blocks most UV rays. Outdoor Design: The lightweight neck protection helmet liner is designed to keep the heat and sun off your neck and ears. Moisture Wicking: The Pirate Hat Neck Cover is comfortable and breathable. Mesh fabric on the helps absorb sweat and quickly, keeping you fresh.