These classically styled Peppers Rio polarized sunglasses were inspired by eyewear worn by military flying aces of the past. Tri-acetate polarized lenses reduce 99 of visible glare from water, snow, sand and pavement , for increased visual acuity and decreased eye strain. Light metal frames are engineered for comfort, with easy-flexing spring hinges to accommodate a multitude of head sizes. Adjustable nose pad grips during exercise and hot weather for a secure fit. Shatterproof lenses provide 100 UV protection. Frames feature polarized brown lenses, ideal for bright sunny days and slightly overcast conditions. Sized to fit medium faces.