Designed to stay on your head even in the choppiest of seas, the Revo Transport has a Motion Fit design for a snug but pressure point free fit, and adjustable non slip nose pads so you can keep both hands on the wheel, instead of having to push your shades back up your nose. Add on some spring hinges and a corrosion resistant nickel silver frame, and you're ready to go. Revo high contrast polarized Serilium lenses. Motion Fit design stays put during high speed activities. Spring hinge ensures greater range of motion and boosts frame durability. Authentic Revo prescription lens ready. 8 base lens technology. b.38 ed. 63 Measurements: 60 16 132. 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 .