The SP Walker low rocker sole promotes more natural ambulation for improved mobility while the generous foot base has ample room for dressings without sacrificing comfort. The lightweight semi-rigid shell has a pre-inflated anterior aircell and two adjustable aircells located at the malleoli that can be individually inflated for “total contact” fit and secure support. Indication: Metatarsal fracture; Forefoot and Midfoot Injury; Acute or post-operative use; Bunionectomy; Soft tissue injury; Severe ankle sprain.