NoSweat(R) is a disposable moisture-wicking performance liner that sticks inside any baseball or softball batting helmet. Our patented SweatLock(TM) Technology is engineered to instantly absorb sweat. NoSweat(R) is made with hypoallergenic materials that are thin, soft and lightweight. Features: Instantly Absorbs/Wicks Sweat: Keeps sweat out of your eyes or glasses Reduces FOGGING: In glasses, half shields and eyewear No Scent Technology: Reduces odor Comfortable: Thin, soft, and lightweight Hypoallergenic Peel it, Stick it, Nosweat! Made in the USA