The Walker's Sport Shooting Glasses offer exceptional value at a great price. Featuring high grade polycarbonate lenses and a frame specifically designed for maximum air flow. The Walker's Sport Shooting Glasses are a must have for any shooting enthusiast. FeaturesHigh grade Polycarbonate lensesExceeds ANSI 287.1-2003 High Impact RequirementUV - Ultimate VisionRatcheting lens pitch adjustmentDesign allows air to flow freely