The Marble OTG is SINNER's latest Over The Glasses model. This frame is specially designed for allowing prescription eyewear to fit inside. The soft 3-layer face foam is hypoallergenic and provides enhanced comfort. Equipped with a double, spherical, anti-fog coated and ventilated lens which ensures 100% UVA/B/C protection. Customize the fit of this goggle with the adjustable anti-slip strap. This goggle fits perfectly in combination with a helmet.