Wraparound frames feature bifocal magnifying lenses that eliminate the need for switching between sunglasses and reading glasses. Stout temples block side glare, and non-slip rubber temple ends prevent them from slipping. Ideal For Tying Knots and Reading Charts with Magnifiers That Are Out of the Way Until Needed. Polarized Polycarbonate RhinoLenses are Shatterproof, Eliminate Glare, Enhance Depth and Clarity, and Reduce Eye Fatigue. 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. Includes Microfiber Case, and 1 Year Warranty.