BESYL Clover Printed High-Performance UV Protection Mesh Dew Rag Cooling Breathable Skull Cap for Cycling, Motorcycling, Riding, Skiing, Trekking, Mountain Climbing or Other Sports 100% polyester mesh. New thermoprint technique and retains color. Keeps you sweat-free and quick dry. Made of breathable fabric,ultra absorbency. Lightweight, excellent UV protection, and keeps your body cool.