Marucci Shield performance sunglasses are made specifically for on-field use with lenses produced by Carl Zeiss Vision, engineered to enhance clarity, improve visibility, and balance color perception to create higher performing on-field sunglasses. Violet base lenses deliver maximum color contrast for the brightest field of vision to track the ball in all lighting conditions Impacto lens technology is tested by Zeiss to provide the highest-level eye protection Ri-PelTM scratch-resistant polycarbonate lenses repel dirt, oil and water in tough weather conditions Additional interchangeable Impacto lens included for easy personalization Interchangeable temple and nose bridge components increase grip and allow for added personalization Flexible, lightweight design fits a wide variety of head sizes by applying gentle pressure without pinch Sunglasses fit comfortably underneath hat brim during play and securely on top the bill as conditions change Brow and lens vents support anti-fog and superior breathability Frame measures 138-0-121 Marucci Shield Performance Sunglasses in Black/Red.