Flying Fisherman Action Angler Flip-Up Clip-On Square Lenses Polarized Triacetate Lenses Eliminate Glare and Reduce Eye Fatigue Clips On to Prescription Eyewear and Flips Up When Not Needed AcuTint Lens Coloring System Adds Color Contrast Without Distorting Natural Colors, Allowing You To See More Clearly 100% Protection From Harmful UVA and UVB Rays, Lightweight and Durable Limited Lifetime Warranty.