Dainese rhyolite 2 safety jacketthis rhyolite 2 safety jacket from dainese is the most ergonomic and technologically advanced protection jacket in the dainese range it is the pinnacle of upper body armour and the result of extensive research into human body movement it is an adaptable safety jacket that addresses the requirements of every rider and features removable sleeves and pro armour shoulder and elbow pads flexagon technology protection covering the back and chest ensures ultimate comf