Enjoy all-mountain visibility. The Spiral Blue Goggles offer a clean helmet interface and wide field of vision for all-purpose skiing. The double cylindrical lens reduces fogging and fits comfortably over glasses for the best possible view. A wide strap keeps them in place and ensures a pressure-free fit.- Low-Profile Lens: The cylindrical lens maintains a low-profile design and a large field of vision- All-Weather Versatility: Medium S2 tint offers reliable vision in a wide range of weather conditionsSpecifications:Frame:- Foam: Single With Fleece- Specific frame: OTGScreen:- Shape: Cylindrical- Type: Double Lens- Material: Polycarbonate- Fog control: Yes- Lens: 1- Sun category: S2 - ALL WEATHER- Visible Light Transmission: 27%Strap:- Strap width: 40mmTechnologies:Over The Glass:- Over The Glass technology was specially designed for people wearing eyeglasses. It provide a small cut in the side foam to avoid any discomfort and offer a perfect fit while wearing your glasses.Cylindrical Lenses:- Rossignol cylindrical lenses are made from polycarbonate (PC) sheets which are cut out, shaped and assembled with the internal lens. This means that the lens is flat, with its eventual shape being provided by the frame.2 Layers Foam:- Two densities of foam for an excellent balance of price, comfort and performance.Fog Control:- FOG CONTROL TECHNOLOGY provideS an anti fog coating on the screen added to a perfect venting that totally avoid any fog issues.