Carl ZeissTwo interchangeable lensesDesigned in Stockholm Ready for any slope, any light, any weather. Meet the 01 Ski Gogglesengineered for peak performance with magnetic Carl Zeiss lenses that switch faster than the weather. Bright or low-light? Youre covered. The adjustable CHIMI logo strap ensures a snug fit, and anti-fog ventilation keeps your view clear all day. Comes with a branded hard case for protection that lasts season after season. [b]Technical details (for the gearheads):[/b] Frame: TPU Inner lens: Acetate Outer lens: PC Strap: Nylon Strap Adjuster: PC Face foam: PU 100% UV protection VLT: Black 17.14%, Pink 52.08%, Burgundy 22.68%