Oakley Kids' Prizm Baseball Quarter Jacket Sunglasses O Matter frame material protects against high-velocity and high-mass impact Prizm lenses control light transmission to maximize contrast and visibility for specific sports and environments Plutonite lens material maximizes clarity and blocks 100% of UVA, UVB, UVC, and blue light up to 400nm Patented technologies of High Definition Optics meet or exceed standards of clarity, visual fidelity, and impact resistance Unobtainium earsocks and nose pads increase grip when wet