Scaled to fit larger faces, the Oakley Holbrook XL Polarized Sunglasses enhance the classic look of original Holbrook shades, giving those with wider grins authentic Oakley performance, protection and style with a fit that feels completely natural. This lightweight, uber-comfortable design is precision crafted with modern materials and technology, combining a stress-resistant O-Matter frame with proven Plutonite lenses and a Three-Point Fit design that ensures precise optical alignment. The Holbrook XLs high-performance polarized lenses filter out 100% of UVA/UVB/UVC and harmful blue light up to 400nm while reducing up to 99% of glare and XYZ Optics ensure superb clarity at any angle. Select styles feature Prizm lenses specially designed to deliver ultra-precise color tuning in any environment.Made in USA. About Oakley lenses : Prizm:Designed to deliver ultra-precise color tuning for any environment. By fine-tuning individual wavelengths of color to make everything vivid and vibrant, Prizm sharpens visual acuity to reveal nuances that would otherwise be missed by the naked eye. Iridium:This special metal oxide coating allows Oakley to fine-tune lenses of any color. The iridium coating regulates contrast, glare, reflection, light transmission and light absorption, tailoring the lenses to better fit specific conditions. Gradient:Offers a smooth transition in shading from a darker top to a lighter bottom while still retaining true color perception. Photochromic:A premium option for select single-lens eyewear designs, it darkens the lens automatically to help you adapt to changing light and always perform at your best. Even when the photochromic lens color lightens, it still filters out 100% of all UV. Type: Polarized.