Be utterly intimidating and awesomely protected. Premium optical quality polycarbonate lenses, which are considerably more shatter-resistant than standard plastic lenses, are the Slam Goggle's most enviable feature. The Slam Goggle meets or exceeds ASTM F803 impact resistance for several sports such as basketball, tennis, soccer, squash, lacrosse, and more. Sizes: Adult Average [A:55 B:35 ED:56.4 DBL:19] Prescription Options: Non-prescription: Offers style and protection with no vision correction Single Vision: Corrects one field of vision (near, intermediate, or distance) Progressive: Corrects near, intermediate, and distance fields of vision in one lens so you don't have to switch between multiple pairs -Â only recommended if you are accustomed to wearing progressive lenses while participating in your preferred sports/activities Lens Packages: Classic: Clear lenses that block 100% of UV rays. Light-responsive: Lenses that transition from clear to darker tint outdoors (choose from grey or brown)-Â recommended for both indoor and outdoor sports and activities Features: Unisex Shape. Patented (#7,137,700) eye rim assembly and 6-base lens curve design allows for a wide range of prescription lens powers. New dramatic two-tone over molded color treatments. Sculpted temple design with coordinating inside padding. Front venting padding system. Back cushion provides additional cushioning along the top and bottom of the frame. Packaging: Comes with semi-rigid case, cleaning cloth and adjustable strap. Standards: Meets or exceeds ASTM F803 impact resistance for several sports.Â