Sundog Eyewear Prime, Matte Black Frame/Amber Light Blue Mirror Lens Leading edge styling and performance, classic sport frame profile with strategically positioned lens vents to help aid in fog and moisture reduction. SD-C7 premium polycarbonate lenses, Contour FLEX Adjustable Nose Pad/Temple Tips Open Bottom Frame Design, MaxFlex RILSAN Frame, Flow Through Side Lens Venting Premium Polycarbonate Lens Flow Through Side Lens Venting Contour FLEX Adjustable Nose Pad/Temple Tips Open Bottom Frame Design 100% UVA/UVB filtration up to 400 nm