Effortlessly keep sweat off your face with the NoSweat Disposable Sweat Absorbing Hat Liner. This throwaway liner sticks on the inside of your hat, cap, helmet, mark and more to soak up sweat. Suitable for any sport, NoSweat prevents sweat from dripping down your face and into your eyes while you’re training or playing. Likewise, it reduces sweat and FOG in your glasses or eyewear. Thanks to its hypoallergenic material, NoSweat helps prevent skin irritation and acne. The No Scent technology also reduces odor. Moreover, the hat liner prevents gross sweat stains on your favorite hat. NoSweat is incredibly easy to use. Just peel it and stick it to wick away sweat. Available in packs, simply replace each liner once it is fully saturated with sweat.