KOO Alibi sunglasses will allow you to Push yourself to the limits. The Half-frame design gives you full visibility while Zeiss® lenses with ventilation holes keep you cool and comfortable. Crafted with a strong Grilamid® frame in 8 colors and rounded arms for a secure fit, the Alibi is your perfect companion for your next adventure. With KOO Optical Clip, you can even customize your Alibi with prescription lenses. Dare to go further!