arena's comfortable and beautiful unisex The One Swim Mask is designed for recreational and regular swimmers. The soft Orbit-Proof seals adapt perfectly to all kinds of facial profiles to prevent water leakage. With exclusive gasket design that provides great protection and an extended field of view. The split strap is easily adjustable for a secure and comfortable fit, even for swimmers with long hair. The nose bridge adjusts its shape to the face while on. The smart goggles are equipped with anti-fog coating, UV protection and are PVC free. They are available with clear lenses for low-light environments and for those who prefer maximum brightness or medium-dark lenses for all uses and variable or intermediate light levels.