Shapes vary but wide field of vision-guaranteed. Plus Helmet compatible for snug fit without the gap Outdoor Retailer/SLC+NYC Lens materials , new technologies and manufacturing methods has made goggles, protective, performing, and stylish...delivering a piece of performance equipment that can costs just as much as the skis or the boards. Gravity-really see the snow-...via Modulator lenses-for state of the art high contrast, light reactive lens changes tints depending on light conditions..more UV light exposed-the darker the lens BOLLÉ's lightweight, durable and optically precise, UV blocking goggles-come in several models-some more tricked out then others-but all boasting anti-scratch, anti-fog properties and styles that give clear views of the terrain, comfortably. There's a lot of lens technology in every Bollé goggle...including the Carbo Glas® anti scratch out lenses sheathed in a protective armor, and P80 Plus anti-fog layer embedded in the inner lens tha...