KOO Demos Photochromic Replacement Lenses

Upgrade your KOO Demos sunglasses with official Zeiss® Photochromic Replacement Lenses. These intelligent lenses automatically adjust their tint (Photochromic 1-3) from light to dark, ensuring optimal clarity and comfort in all conditions, from bright sun to overcast skies. Experience superior UV protection (100%) and distortion-free vision, reducing eye strain and enhancing your performance. Seamlessly integrating with your KOO Demos frames, these lenses offer one-lens convenience for any adventure