Is blue light bad for your eyes? That's a trick question. We have no f#^#ing idea. But SOME scientists say it causes eye strain, fatigue, headaches & tail growth. So just to be safe, we made these glasses with the ability to block blue light. -BLUE MIRAGE TECHNOLOGY Our blue light blocking lenses definitely block blue light. The jury is out on whether blue light actually hurts our eyes or not, but who cares? You look important in these, so go ahead and block those nasty blue light rays. -NO SLIP We use enhanced silicone inserts with special grip coating to help eliminate slippage when sweating through that super combo. -NO BOUNCE Our frame is snug and light-weight, with a comfortable fit to prevent bouncing while you celebrate destroying your friends in battle. -FULL ARMOR UV400 protection that blocks 100% of those harmful UVA and UVB rays.