Sport & Street Convertible, Black Frame, 3 Lenses The Sport & Street is a classic piece of eyewear. It comes with three sets of shatter-proof polycarbonate lenses (Anti-fog Smoke Grey, Amber and Clear), soft belt case, sunglass arms, & an adjustable elastic strap. The Sport & Street is vented for breathability on the frame. 100% UV protection.   Specifications Frame Color: Black Frame Convertible: Yes Frame Finish: Matte Frame Foam Type: Closed cell EVA Frame Material: Polycarbonate Frame Measurements: Temple to Temple 145 mm, Height 48 mm Frame RX Ready: Yes Frame Temples: Skull Lens Coatings: 100% UVA and UVB protection Lens Color: 3 sets - Anti-fog Smoked Grey, Amber and Clear Lenses Interchangeable: Yes Lens Material: Polycarbonate Other included Accessories: Carry case, removable & adjustable goggle strap, 3 sets of lenses Lens Upgrades: NXT Transitional (Light to Dark) Special Features: Quickly converts from street glasses to goggles, Ventilation to prevent lens fogging   Warranty: Limited Lifetime against Manufacturing Defects