Unique suspension system and high-density foam seat provide a smooth and comfortable ride The sophisticated controller coupled with 14″ aluminum cast drive wheels offer excellent maneuverability Comfortable 22″ (20″ with seat elevator) wide captain seat has swivel and folding capabilities with adjustable head and backrest Aluminum footplate with flip-up height and angle adjustability provides various comfort positions Programmable controller with a wide range of selections to suit the needs and demands of different users Non-programmable controller also available