Siroko K4 Photochromic replacement Lenses for K4 Sunglasses

• Photochromic lens: adapts to changing lighting conditions, turning dark against ultraviolet radiation
• Category: 2-3
• Visible Light Transmission (VLT): 18%-43% (category 2) / 8%-18% (category 3)
• Lighting conditions: cloudy and sunny days
• Polarized to avoid blinding glare
• Made of 1.8 mm thick polycarbonate
• Full UV400 protection
• Anti-scratch and impact-resistant for clear vision in all conditions
• DrySky ventilation system to prevent fogging up
• Compatible only with K4 glasses

Use BIKETODAY code and get Extra Discounts on Siroko products on srko.co/biketoday