Bolle Ski Goggles Y7 OTG BG137001 Matte Black Phantom Green Emerald Photochromic. Introducing the Bolle Y7 OTG snow goggles, designed for adults seeking premium performance with the added convenience of wearing prescription glasses underneath. These goggles feature advanced photochromic lens technology, which automatically adjusts to changing light conditions for optimal visibility, and 100% UV protection to shield your eyes. With a helmet-compatible design and adjustable strap, they ensure a comfortable and secure fit. The OTG (Over The Glasses) design allows you to wear your glasses comfortably, while the Flow Tech venting system prevents fogging by optimizing airflow. The Bolle Y7 OTG goggles are available at a significant discount from the recommended retail price (RRP), offering excellent value for serious skiers and snowboarders.