- Material: Made from lightweight, elastic polyester fabric, this helmet cap offers excellent sweat wicking, quick drying, and dustproof properties, ensuring comfort during any activity. - Size: Measuring 24cm x 14cm (9.45" x 5.51"), this cap is designed to fit most men and women comfortably. - Functionality: Use it as a helmet liner to reduce friction and keep sweat out of your eyes, enhancing your riding experience. - Versatility: Ideal for hot days, this cap helps keep your head cool. In colder weather, it can also provide warmth for your head, ears, or forehead. - Portability: The cap conveniently folds into a compact size, easily fitting in your pocket when not in use. - Application Scenarios: 1. Perfect for cycling or motorcycling, it enhances comfort under your helmet while managing sweat. 2. Great for outdoor sports like running or hiking, providing sun protection and moisture control. 3. Works well for winter activities, adding a layer of warmth without bulk. This helmet cap combines practicality with comfort, making it an essential accessory for both warm and cold weather activities.