The Aero has been designed with the help of world-class ultrarunners and mountain bikers. Its super lightweight (32g) frame offers our Air link - extra slim & cushion - dampening temple system, 3D fit nosepiece, a wide field of vision, and snug but comfortable fit. Its sleek design optimizes ventilation and air flow and is available with both our REACTIV photochromic & Spectron lenses with great colors to keep you styling.