Mad Wave alien goggles have been designed to deliver an aggressive, racing-like look with all the benefits of our fitness goggles! their high, extra-soft seal will prevent eye fatigue, and the specially designed ergonomic goggle frame will ensure a bespoke fit and the convenience you need! the hydrodynamic shape and innovative lens construction will provide you with excellent glide through the water and enhanced vision from every angle! lenses with uv protection and anti-fog coating. 4 changeable nose bridges.