The ISO Preferred Air Walking Boot (FT35x) offers comfort, stability, and performance using air compression inside a rigid frame to provide customized support. The pneumatic lining system in the boot provides variable compression adjustments to help manage the support needs throughout the healing process. The unique property of air compression is the ability to make as-needed adjustments to accommodate swelling, improve stability, and decrease pain. The rigid plastic frame offers durability while the interior air bladder uses an embedded air pump system to provide convenient adjustability. The advanced gripping material on the fastening straps offers convenient on/off application and the low-profile rocker bottom assists in maintaining a natural gait for improved wearability. Sizes S to XL. Fits left or right foot.