The Alpinestars Bionic Action V2 is an ultra lightweight C.E. certified protection jacket offering excellent upper body protection against impacts. This jacket features a Cell Technology chest protector for optimum ventilation, while its divided construction ensures quick and easy donning. The super ventilated Cell Technology back protector is ergonomically engineered for an enhanced adaptive fit. Both the front and rear protectors are backed with foam padding for a secure and comfortable snug fit.