Oakley Sunglasses - Oakley Frogskin Sunglasses. Alpine Bluebird - Sapphire Iridium :: Men > Sunglasses. Built into the lens material itself. it also filters out 100% of harmful blue\n light up to 400mmUV Protection: 100% protection thanks to the Plutonite lens materialImpact Protection: High protection against high-mass impact and high-velocityPlutonite Lens: Maximises clarity and impact resistance as well as filtering\n out 100% of all UVA. UVB and UVCThree-Point Fit: The frame makes contact only at the side of the head\n and bridge of noseEliminates pressure points common with most framesThe three-point frame is Oakley's patented innovationO-Matter: A lightweight. stress-resistant frameHigh Definition Optics: Visual fidelity. optical clarity and impact resistanceIridium: Reduces glare and balances light transmission6 Base Lens: Clarity and peripheral sun protection with the reduced side\n curvature of lens Size: one size.