Brisk Y1 Photochromic Cycling Sunglasses - Photochromic Clear To Purple + Matte Blue Frames

See Sharper, Ride Bolder. Brisk Y1 sunglasses give cyclists and runners every performance advantage possible. The ultra-responsive photochromic lenses instantly adapt to changing light, while the polarized coating cuts glare for crystal-clear vision. At just 33g, the lightweight yet durable frame stays comfortably in place with its secure wraparound design, giving you a massive field of vision and all-day comfort. Perfect for cycling, running, and all your outdoor adventures under the sun. How to Replace Lenses