Sports glasses are multi purpose precision lenses
Good for relaxing eyes after hours shooting. 
More focus on the gold.  Red rings change to gray.  
Independently developed for visual assistance while performing at high levels
The geometry and filter system allows for an unobstructed field of view
Light weight mirror frame can reduce the weight of bridge of nose
Each pair of lenses is equipped with an anti perspiration rubber pad comfortably keeping lens and forehead apart and the lens clear
Widely used in indoor and outdoor archery
All lenses are feature advanced coatings with 6 layers for anti reflective, hydrophobic, anti fog, oleophobic , & anti scratch properties