Look Fashionable With Protection. Solid Helmet cap for wearing under bike helmets. This base layer / skull cap beanie draws moisture and sweat away from the skin and hair. the moisture is then evaporated from the outer surface. keeps the user dry and ventilated. Ensures protection and comfort whilst wearing helmet all year round. Simply wear under helmet. Easy to wear and easy to remove multi functional helmet cap suitable for all girls and boys. Not only stylish, but also protecting you from dirt, dust and sunlight. So style yourself with this trendy fashion accessory for all groups. Very comfortable to wear free size.