The TYR Magna Swim Mask Goggles are active goggles that provides wide peripheral vision for excellent siting. These latex free goggles are engineered with polycarbonate lenses for maximum strength andclarity with minimal bulk. Featuring a hypoallergenic, silicone gasket for a watertight seal, a unibody design to fit various facial types and speed adjustment for quick and easy sizing, this swimming mask is perfect for recreation. Polycarbonate lenses include full UVA/UVB protection.