Rev'it! Bison 2 H2O Overshirt A waterproof overshirt for three-season urban riding. With our Bison 2 H2O, you can wear a motorcycle-ready overshirt that matches your style. Thanks to our renowned hydratex membrane, this garment keeps the water out when you find yourself in the rain. So you can keep riding regardless. And the inner pocket ensures any documents can be. In fact, a whopping 34 million speeding tickets are handed out each year in this country. After speeding, here are the other most common: tailgating. running a stop sign or red light. failing to.