Features of the RAM HR HM+ 2 component design: Comfortable fit and wearability due to stable frames, with soft arm tips and/or nose pads Adaptable nosepad: Adjustable Nose Pads to ensure an optimum fit for any with or shape of nose Optimized Airflow: Improved vision and protection from draughts thanks to strongly domed lenses and a targeted airflow management that prevents lenses from fogging up Lens technology of the RAM HR HM+ 100% UV-A, -B, -C-protection Hicon: Hicon has the property to increase contrasts significantly. With the specially tinted lens you can see more clearly and better in diffuse light conditions. Mirror: Mirror is a multi-coated mirrored lens. They provide protection from harsh glares and infrared light. Mirror is also a style element. Fogstop: fogstop-coating makes it impossible for moisture droplets to form a covering layer