The Groove Polarized Mirror Anti Fog Goggle from Maru is ideal for open water swimming as well as indoor swimming, with its polarized lenses reducing the glare reflected from the water surface to give you great vision for swimming in triathlons. The shape of the eye gaskets & lenses give wide angle vision & the strap is easily & quickly adjusted to achieve a perfect fit. A great swimming goggle for performance swimming indoors & out. Features Polarized mirrored lens to reduce glare Wide angle vision Anti Fog coating UV protection Quick strap adjustment Split head strap for a secure fit Specifications Polarized curved Polycarbonate lens Silicone seals & straps