The Oxypro is an outdoor Face mask carefully formulated by GEAR for optimum fit , comfort and safety. The 185 gsm Polyester Airmesh outermost layer filters coarse particles while two middle layers of 40 gsm Non Woven material filter finer particles. The innermost layer is 100% cotton that ensures comfort and better moisture management. The convex shape ensures a snug fit on the face and allows space for facial gestures. The anti-fogging nose conforming clip ensures minimal leakage and the long dart in construction ensures that the chin is enveloped completely. This mask also features a smart handling loop for focused sanitization and discipline during usage. This mask can be washed and reused upto 30 times. Please read the instructions manual carefully before use.