Breathable: Fabric specifically woven to allow you to breath easy while our head sock / balaclava is over your nose and mouth Comfortable: High quality fabric blend is soft to the skin and fits sturdy over your head and neck Absorbs Moisture: Designed to prevent sweat from reaching the pads of your helmet. As sweat gets absorbed into the helmet, your helmet begins to smell. Our head socks prevent that from happening Universal Fit: Suitable for all men and women! Great for kids getting into karting as well Durable: Quality woven fabric and stitching allows for this product to take a beating. Machine washable and elastics allows it to absorb much of the abuse over time