This breathable training gym mask from HyGYM is perfect for the gym, cycling, running and more. It includes double air vents to help you breath more easily whilst you're working out. It is also washable so it can be reused. BREATHABLE MATERIAL – HyGYM's training gym mask is made from breathable and lightweight nylon material. ERGONOMIC DESIGN - The mask features an aluminium nose strip so that you can mould the mask to your face, providing you with a secure and comfortable fit. MULTI-FUNCTIONAL - This mask can be used to help to protect you from dust, allergies, pollution, ash, pollen and fumes.