Drive XS2 Aluminium Wheelchair Self Propel (18")Free Delivery The XS2 contains a simple folding mechanism, half folding back, removable arms and quick release footrests, allowing for space saving storage and easy transportation. Padded desk style armrests provide additional comfort and allow unhindered access to work surfaces. A seat cushion, tension adjustable backrest and push button length adjustable armrests come as standard, allowing the chair to be easily adapted to a users preferences