Electric and NASCAR driver Kyle Busch have joined together to make these KB1 sunglasses. The polarized lenses of these shades offer 100% UV Protection and will keep the excess glare out of your eyes as you're cruising down the road. The KB1's are a size category 3 set of glasses that are made using an 8 base mold injected Grilamid frame, 8 base polycarbonate lenses, 5 barrel stainless steel optical hinges. Pick up these sunglasses now before. Make sure you don't trail behind with the rest rookies and pick up these KB1 shades.