The Alpinestars Bionic Action Jacket has CE-certified protection mixed with an engineered ergonomic design for complete protection. This is lightweight and adjustable throughout to give you the best fit. This is constructed from durable elastane mesh and can be integrated with Alpinestars Bionic Neck Supports. Each jacket is vented and channelled to improve airflow, prevent heat build-up, and improve comfort. Plates lock to prevent overextension of the back and kidney belt to tighten the back protector to the body and protect your kidneys from windchill. A premium auto-lock YKK zip closure system, shoulder reinforcement for BNS attachment, and position stability of protector mean this offers premium comfort and protection, as well as CE level 1 shoulder and elbow protectors, level 1 back protectors, and level 2 divided chest protectors.