The Phoenix was designed to be comfortable, fit all faces and look great. And they won't slip off your face!

• Lucid Lens™ - Elite Series Polyamide - Optically Superior to Polycarbonate.
• Scratch Resistant Lens- Keep them Scratch Free Longer.
• Eco-Flex™ Frame - Bio Based TR-90. Durable, Flexible and Lightweight for All Day Comfort. 
• Snap-Lock™ Hinge for a Better Fit that Lasts Longer.
• Stay-Put™ Nose Pads - Keeps Your Sunglasses Where You Want Them.
• Fit - Medium to Large. (140mm Frame Width)