Carl ZeissTwo interchangeable lensesDesigned in Stockholm Made for the slopes and the views, the 03 Ski Goggles feature a 1.8mm toric Carl Zeiss lens for distortion-free vision and maximized vertical and peripheral range. Switch lenses effortlessly to handle any weather, from whiteouts to sunlit peaks. The adjustable CHIMI logo strap, perfect-fit foam and anti-fog ventilation make these as comfortable as they are functional. Comes with a branded hard case for protection that lasts season after season. [b]Technical details (for the gearheads):[/b] Frame: Bio-Based TPU Lens: PC Strap: Nylon/EA Strap Adjuster: Bio-Based TPU 100% UV protection