Walker's Sport Glasses With Interchangeable Lens - 4 Interchangeable Lenses. High-grade Polycarbonate lenses allow for quick and easy lens replacement. Exceeds ANSI 287.12003 high impact requirement. 4 Interchangeable Lenses High-grade Polycarbonate lenses allow for quick and easy lens replacement Exceeds ANSI 287 12003 high impact requirement UV - Ultimate Vision Ratcheting lens pitch adjustment for custom fit and comfort Includes soft carrying pouch