High-density foam mattress with microfleece. Extra padding on the upper part of the backrest for increased comfort. New "one touch" spring leg locking mechanism for easy height adjustment. Outer cover in Fox Voyager polyester. "Leg Lock" frame for greater stability. Backrest settings adjustable via cam knob. Wear-resistant steel frame. Compact size: Seat height: 36-43 cm x Width: 53 cm x Backrest height: 53 cm; Closed dimensions: 64 cm x 57 cm x 20 cm; Weight: 5.5 kg - Standard size: Seat height: 39-47 cm x Width: 59 cm x Backrest height: 57 cm; Closed dimensions: 75 cm x 70 cm x 20 cm; Weight: 7 kg