Wiley X WX Alfa Sunglasses Matte Black Frame Smoke Grey Lens Medium/Large. The sleek rectangular build of its lightweight frame offers a comfortable yet flattering fit and our removable swivel side shields are easy to add or remove for extra peripheral protection when you need it. As its name implies the WX Alpha earns an A+ in both protection and style. Specifications for Wiley X WX Alfa Sunglasses: Manufacturer: Wiley X Application: Active Lifestyle Temple Length: 135 mm Age Group: Adults Gender: Unisex Polarized: Yes Photochromic: No Frame Type: Lightweight Frame Material: Nylon Lens Shape: Rectangle Lens Material: Polycarbonate Lens Finish: Polarized Horizontal Frame Measurement: 132.5 mm Vertical Frame Measurement: 43 mm Distance Between Lenses: 18 mm Features of Wiley X WX Alfa Sunglasses Captivate Polarized Color-Enhancing Lenses Shatterproof Selenite Lenses Lightweight Uva/Uvb Light Blocking Ansi Z87.1+ High-Velocity Impact Protection Super-Tough Frames Prescription-Ready 6-Base Lenses High-Wrap Frames Ansi Z87.1+ High-Mass Impact Protection Superior Lens Optics Ansi Z87.1+ Protection And Clarity Swivel Side Shields Hev Light Blocking Package Contents: Wiley X WX Alfa Sunglasses Case Strap Cleaning Cloth Wiley X AC6ALF02: WX Alfa Sunglasses Matte Black Frame Smoke Grey Lens Medium/Large