Product Overview
• Circumferential design provides maximum protection and comfort.
• Built-in pump system for easy operation.
• Dual airbladder system for custom compression increasing comfort.
• Wide footbed to accommodate swelling and bandages.
• Nonskid sole that offers maximum shock absorption.
• Rocker bottom to simulate natural gait.
• Adjustable toe guard for additional foot protection.
(http://spanlinkintl.com/en/home/98-tpya1-apollo-walker.html)