Borealis features a magnetic lens change system to easily adapt to any weather condition. This innovative technology uses 9 integrated magnets to assist in fast lens replacement while keeping the lens securely locked in place, ensuring optimal visibility and maximum safety. The goggles include a Full Mirror Multi-Layer double lens with anti-fog and anti-scratch treatment and 100% UV protection.Features:- Thermoplastic polyurethane frame for excellent shock absorption, resistant to harsher climates.- Polycarbonate cylindrical double lens to ensure a wide field of view.- 2-layer foam to ensure maximum comfort during use.- Anti-fog treatment- Included microfibre pouch- Large FitSpecifications:- Weight: 165 gr- Purpose: Ski- Suggested season: Spring, Fall, Winter- Composition: Entire: Polypropylene 100%