**BIONIC AIR BACK PROTECTOR KEY FEATURES: ** • CE Certified Level 1 to the LATEST back protector standard (prEN1621‐2:2010) allowing a slimmer, more ergonomic design.

(Alpinestars/) In the back protector is where the two gas canisters and six triaxial sensors can be found. A red light next to each canister indicates if the charge has been deployed or not.

Alpinestars Nucleon KR-3 Back Protector: available at Amazon This uses the same lattice technology as the KR-Cell above, with body contouring foam. Central hard shell for maximum spinal protection.

The A-10 V2 is easy to get on and off. Most of the straps are adjustable, and the shoulder protectors can be removed entirely if you want to just run this as a roost guard/back protector.

Alpinestars Tech Air Race Vest: How does it work? The functionality is fully self-contained, and the vest works via sensors/accelerometers located in the shoulders and in the back-protector area.