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. The Shield's single-lens design allows for full range of view on the field and includes additional interchangeable lens for easy personalization-Impacto lens technology is tested by Zeiss to provide the highest-level eye protection-Sunglasses fit comfortably underneath hat brim during play and securely on top the bill as conditions change-Ri-Pel scratch-resistant lens coating repel dirt, oil and water in tough weather conditions-Additional interchangeable Impacto lens in violet with charcoal mirror 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-Brow and lens vents support anti-fog and superior breathability-Lenses produced by Carl Zeiss Vision-Frame measures 138-0-121-Includes sunglass case