Rec Specs Helmet Spex

Rec Specs Helmet Spex Sports Goggles for Youth & Adults  Maintain peak vision performance under helmets in Helmet Spex. Features venting grooves in eye-rim for increased air flow. Helmet Spex includes a skull cap that must be worn over the goggle and under the helmet to keep the goggle in place. Sizes: Narrow [A:49 B:32 ED:51 DBL:18] Average [A:53 B:35 ED:55 DBL:17] Wide [A:58 B:39.7 ED:60.6 DBL:18] 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 (ch