Unisex Model. Polarized lens: Reduces surface reflections and eye fatigue, providing superior sharpness and contrast. Lens material: Lenses made of polarised bio tac material. 100% UV protection. Category 3 filter, dark colouring, suitable for full sun outdoors. Absorb 82-92% sunlight. Lens Appearance: Solid. Lens Color: Black. Frame material: TR90. Frame Color: Green. Temple Color: Green. Polarized regular model Northweek sunglasses. Polarized Northweek lenses are made of cellulose triacetate that provides high flexibility and UV400 protection. Our high quality polycarbonate frames adapt perfectly to the facial contour and have high durability and resistance. Polarized category 3 and UV400 protection lenses. The flexibility and resistance of the mounting provides high protection against blows, offering greater security and lower risk of breakage. Northweek mounts stand out for their lightness and flexibility, which provide comfort and adaptability to the facial contour. Official product northweek includes: Microfiber and box case. Unisex model. Measures: Front 140 mm; High 47 mm; Patillas 143 mm.