The air legs are powered from a high pressure air tank, not unlike those used in paintball markers.The tank is charged externally then is mounted to the system. The air legs operate on real time control system that uses a pseudo integrator to calculate the exact time to trigger the air solenoids. This design showed metabolic Augmentation at Army Recherche Labs in September, 2013.
Air Legs v2
Soft Suit version of Air Legs V1. Allows for rapid entry and exit of the device.
Air Legs in the Media
The Air legs where also featured on HackaDay