The D3 OTG is a full-size frame featuring a premium, injection molded spherical lens. In addition to its simple, sophisticated design, the D3 OTG features a re-engineered inner frame allowing it to be Over-The-Glass compatible, more fit-friendly strap attachment, and adjustable hinges for seamless helmet interface. Premium features like our expanded Lumalens® technology and Super Anti-Fog Coating seal the deal. Features:- Injection Molded Spherical Lens- Lumalens Color Optimized technology- Lumalens Photochromic- Over-The-Glass Compatibility- Super Anti-Fog Coating- Silicone Strap Backing- Helmet Compatible- Large Fit