Photo Chromatic Ultra lenses automatically adjust from a light copper lens to a dark copper shade based on the lighting conditions. _x000D_
The 180 degree vision is perfect for open water swimming. _x000D_
Fogbuster anti-fog keeps the lenses clear. _x000D_
The 4 Flexpoint Technology Frame flexes in 4 key areas to easily seal to your face. _x000D_
Fitting is as simple as pulling the two straps to tighten and lifting the lever to loosen the fit.