Experience a new standard for performance with Oakley Standard Issue Holbrook™ XL in matte black with Prizm™ black polarized lenses, designed to meet the demands of military professionals. The square frame shape is crafted from durable O Matter™ material and features a keyhole bridge design for an authentic heritage look. These sunglasses are built to withstand the rigors of active duty, so you can be confident they'll keep up with your daily routine too.