Sunglasses PROPEL | POC | EF Education First Mens | Pro Team Cycling KitEF Education First Pro Team POC Propel sunglasses Introducing the concept of aero gains to sunglasses, the Propel is the result of CFD testing and modelling, delivering enhanced efficiencies through the air. The result of CFD (computational fluid dynamics) testing, the Propel sunglasses introduce the concept of aerodynamic gains to eyewear. Shaped to sit close to the face and to help push air away from the ears, the new sunglasses use a trailing edge