These shields are so lightweight you might forget they are on your face. The great coverage, super flexible fit and megol nose and temple pads control the forces of Mother Nature. Product Details:- Polarized polycarbonate injection molded lenses 9 base lens curvature Megol nose and temple pads Evolve(TM) bio-based frame material Custom metal logo plaques Microber cleaning/storage bag 100% UV protection Medium fit