Tired of not being able to see clearly underwater? This model offers you a wide field of view as well as an adjustable rear strap to adjust it as you wish. Swim without fog, this pool mask has an anti-fog treatment. This wide pool mask offers an excellent field of vision. This high-volume mask is easy to adjust and will not feel too tight. Lenses filter more than 99% of harmful UVA and UVB rays to protect your eyes.