ROCKBROS Cooling Skull Caps Breathable Mesh Under Helmet Liner UPF50+ Sun Protection Cycling Motorcycle Running Lightweight Cap for Men & Women Black

["Cool & Breathable for Summer Comfort:Made with premium COOLMAX fabric and a breathable top mesh panel, this cooling skull cap enhances airflow and heat dissipation to keep your head cool and fresh. Ideal for hot weather, long rides, and intense workouts.","UPF50+ Sun Protection & Sweat-Wicking:Provides reliable UPF50+ protection against UV rays while quickly wicking away sweat. Keeps your scalp dry and helps prevent sweat from reaching your eyes during cycling, running, or work.","Fits Most Helmets & Hard Hats:Designed to fit comfortably under most cycling helmets, motorcycle helmets, and hard hats. Helps reduce friction and improve overall comfort for daily use.","Ultra-Lightweight & Stretch Fit:Weighing only about 13g, the high-elastic fabric adapts to different head shapes. Stays securely in place without pressure, even during high-intensity movement.","Durable & Multi-Use Design:Reinforced stitching ensures long-lasting durability. Suitable for cycling, running, hiking, gym workouts, construction work, and other outdoor activities."]