These walkers were designed for ease of open and closing. The Invacare Single Release Walker features a single release ergonomic button requiring minimal effort to use. The deep and wide frame on these walkers provide a larger range of height adjustments as well as more legroom. Invacare added comfortable handgrips and a composite lower side brace to ensure a safe and stable support for users up to 300 lb. weight. With a 7" adjustment, the walker will easily fit the needs of most users between 5'3" and 6'4" in height. Features and Benefits of the Invacare Single-Release Walker: Composite lower side brace Ergonomic release button Folds easily for transport or storage Folding mechanisms are easy to reach from a seated position Minimal effort is required to open and close PVS handgrips wear longer and provide greater comfort For users 5'3" to 6'4" 300 lb. weight capacity