The Invacare Allegro(TM) chair is the ultimate in versatility. Designed from the ground up as a complete mobility system, the Allegro address multiple positioning needs and growth requirements. It's adjustable-depth and adjustable-angle back ensures a perfect fit and can adapt to any seating and positioning system. The unique modular crossbrace system is an industry breakthrough which provides and expanded variety of growth options. In addition to the initial folding model, there are now several more choices in the Allegro range. Riders can choose the rigid model when, in the smaller sizes, folding isn't a priority. The version without seat rails is ideal for those who need a lower seat-to-floor height. And the newest addition, the reclining back, is completely interchangeable with the standard fold-down back. Together, these features combine to create the most versatile folding wheelchair in the world. The Invacare Allegro: the possibilities are virtually endless.