DescriptionThis product is a helmet liner cap, which is made of premium material, comfortable and breathable, will fit your head perfectly. Also can be used for daily wear. Suitable for most outdoor activities, cycling, snowboard, bike, motorcycle and football in winter.Features- Color: Black. - Material: polyester. - Size: About 22 x 15 x 0.2cm/8.66x5.90x0.08 inch. - OPTIMUM COMFORT: Soft, cosy and stretchy and won't rub or irritate your skin. Drys quickly and absorbs sweat during sports activities, keep swat away from your eyes and face. - DURABLE AND LIGHTWEIGHT: Made of premim material, breathable and stretchy. With fast-dry material our caps feature UV protection and wind resistant, keep your head dry and cooling. - FITS MOST OF HEADS: The is stretchy which will fit for different head size. - VERSATILE: Comfortable to wear under hats, caps, helmets or alone, help to protect head form the sun, wicks moisture and dries quickly. - BEST LINNER: Reducing the friction between hard helmet and head skin. Ensuring your comfortable use.