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 '(R) technology and Super Anti-Fog Coating seal the deal. Dragon D3 OTG Goggles + Lumalens Photochromic Amber Lens | Gray | Christy Sports