With the goodr Chrome Package, your face looks especially elegant and classy. Compared to other plastics, chromenonium is quite stable and resistant to Vicegrip Syndrome. (That's where sunglasses suddenly start tightening and squeeze your head like an orange.) The uniquely shiny look provides complementary contrast and controppeddy piddledydoos in the wuzkuckle. We're not just making up empty jargon here. If you want classegance, Add the Chrome Package. It's a hoity-toity deloity. 1 NO SLIP:  We use special grip coating and silicone nose inserts to construct our frame to help eliminate slippage when sweating. 2 NO BOUNCE:  Our frame is flight-weight to prevent bouncing when running, biking, beasting, or exceeding speeds of Mach 5.* *Not tested at hypersonic speed, but…we’re pretty sure. 3 ALL POLARIZED:  The speed of light got nothing on you. These glare-reducing, polarized lenses with UV400 protection blocks 100% of those harmful UVA and UVB rays. 4 ALL SPEED:  An all new shape built to give you the ultimate speed advantage whether you're crushing beers or crushing your competition. 5 FREE MILE HIGH CLUB MEMBERSHIP:  Included with purchase.