From Revo, the Descend N Polarized 64mm Sunglasses feature:  Rectangle shape Injected frame Revo high-contrast polarized Serilium+ lenses Lightweight, impact-resistant, glare-reducing nylon 8-base lens technology A more curved profile, temple to temple Rimless frame Elastomeric nose pads and temple tips Slip-reducing rubber provides a more secure fit MotionFit™ design maximizes comfort by eliminating unwanted pressure points Revo Light Management System™ filters harmful UV, HEV, and blue light Digital device-friendly reduces glare and enhances clarity of digital screens Approx. 64mm eye - 13mm bridge - 139mm temple  Imported.