The SL2 Pro features adjustable nose bridge and temples for the perfect custom fit. Brown is a slightly brighter lens than the gray; a good all-around choice for areas with changeable weather patterns Redesigned lense shape features an eight-base lens curvature for more coverage, better wind protection, and an optimum wrap-around fit Shatterproof and scratch-resistant polycarbonate lenses offer 100% UVA, UVB, and UVC Protection Optimized Magnification Zone (OMZ) reduces distortion and fatigue Impact, chemical, and UV damage resistant Grilamid TR-90 frames Adjustable non-slip rubber nose piece and temples Available in +1.5, +2.0, or +2.5 spot diopters Fits Medium to Large face shapes Weight: 30g Color: Black Eyewear Lens Colors: Brown Lens Style: Fixed Lens