When sitting with legs apart and leaning at 45grade angle, it creates natural S-shape alignment of spine and maintains lumbar curve, with soft normal curves in back and neck.

Seat material: features soft, yet strong black vinyl upholstery with thick padding. Easy to keep clean.
Foam padding with plywood core
.
Aluminum 5 star base, PU castors.

Gas pump.
Adjustable height:
53cm-72cm
Seat: 50x 40cm

Optional Footrest provides support and additional stability.