Airselect Elite (Improved XP Walker) SM-LG. The Elite is the most-advanced walking boot, engineered to provide the ultimate in protection, comfort, and edema control. The Elite has a durable, semi-rigid shell that helps support the limb while providing full-shell protection. Overlapping Duplex aircells line the shell providing intermittent pneumatic compression for 3x faster edema reduction1. The front panel is pre-inflated and combined with the overlapping aircells, provides a 'total contact' fit. SoftStrike technology absorbs and dissipates shock, while the light weight and lab-tested rocker sole combine to encourage a natural gait and a continuation of everyday activities.