Omatter - Formulated for high durability and controlled flexibility, Oakley's lightweight O-matter frames maintain superior protection and comfort,Three Point Fit Technology - Oakley's three-point fit ensures that each frame makes contact only at the bridge of the nose and behind the temples thus retaining the optics in perfect alignment
I brought 2 pieces.. green & blue lens..green looks superb.. lenses apart but the build quality is good & fitting is also good.. got for just around 4000 bucks each..