Rec Specs RS-50

A:55 B:39 ED:60 DBL:20 TL:130] 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 - 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)- recommended for both indoor and outdoor sports and activities Features: The first protective sports eyewear to receive the AOA seal of Acceptance!  Patented (#6,890,073B) eyerim assembly allows for a wide range of prescription lens power.  Unisex shape.  Sizing allows for youth and adult fitting.  Temples and bridge have soft inside padding for comfort and fit.  Packaging: Comes with semi-rigid case & adjustable strap. Standards: Meets or exceeds ASTM F803 impact resistance standards for several sports.