Smith Lowdown 2 Sunglasses Eyes on the Prize Chroma Pop lens technology filters specific wavelengths of light to sharpen contrast and push natural color, so you see more detail whether you're driving to the trailhead or rolling post-ride into town. The flat 4-base lens curve keeps the profile low-key while still giving you solid coverage for everyday wear. The Evolve bio-based frame is light on your face and holds up to daily use, and Megol nose pads grip tighter the more you sweat - so the fit actually improves when conditions get warm. Auto Lock hinges let you throw these on and pull them off with one hand without thinking about it. These are the glasses you reach for every single day. Chroma Pop Lens Technology filters specific wavelengths to enhance contrast and natural color, giving you sharper visual definition compared to standard tinted lenses Evolve Bio-Based Frame Material uses plant-based construction to keep the frame lightweight and durable without relying on petroleum-derived plastics Megol Nose Pads grip increases with moisture, so the fit stays locked in on hot days, hard efforts, and everything in between Auto Lock Hinges hold the temples open so you can get the glasses on and off with one hand, no fumbling required4-Base Lens Curvature keeps the profile flat and comfortable for all-day wear while delivering full coverage across your field of view100% UV Protection blocks UVA, UVB, and UVC rays on every ride, every drive, and every day in between | Smith | Lowdown 2 Sunglasses Men's In Matte Black/chromapop Photochromic Brown