Matte Black Frame - Dark Carbon Lens Born in the outdoors but versatile enough for day to day, the Barton 2.0 Protective is upgraded with a premium lens that has a Z87.1 impact rating. This safety feature means you don't have to second guess your eyewear: a ballistic lens with C3 Optics, compatible with GEKO™ nose pads for a non-slip fit, and custom-fabricated spring hinges mean a bespoke fit during strenuous work. An essential frame in your line-up, the Barton 2.0 is an all-around workhorse no matter the environment. Great for bright and sunny conditions across all environments. Neutral color. 56 mm lens width, 43.5 mm lens height 18 mm distance between lenses 134 mm temple length