The Wren 2 is a standard aluminum wheelchair. With a lot of adjustments and a very reasonable price. The Wren 2 has progressive slowing brakes to allow the attendant to control the wheelchair going down slopes. It also equipped with flip back armrests and detachable swing in/out footrests hangers. The seat to ground height is adjustable from 19” down to 16.5” ont the self propel model, the lowest seat to ground height allows the user to propel the wheelchair with their feet.is ideal for people looking for easy transfers on and off the wheelchair.