Streamlined style and slip-resistant comfort are the primary mission of the full-coverage Revo Bearing Sunglasses. Revo high-contrast polarized Serilium? lenses provide visual acuity in bright conditions, while a spring-hinge construction creates greater range of motion for enhanced durability. The trademark elastomeric nosepad prevents slippage during workouts or walkabouts in urban or rural landscapes.Revo high-contrast polarized Serilium? lenses. Elastomeric nosepad prevents slippage during high-speed action. Spring hinge ensures greater range of motion and boosts frame durability. Authentic Revo prescription lens-ready. 8-base lens technology. b.40 ed. 68 Measurements: 64-16-123. Blue water lense perfect for cutting glare in bright conditions on the water. Terra lense actively filters the light spectrum to provide clear vision. Graphite lense enhances natural vibrant colors while blocking harmful rays and harsh glare. Blocks 100% UVA-B-C .