Atlas operational chair, medium back, polypropylene structure covered in black elastic mesh with integrated lumbar support. Seat upholstered in polyurethane foam upholstered in black eco-leather. With polyamide armrests. Synchro and anti-shock mechanism with lock in 4 positions. Gas elevation. Pyramidal swivel base in black polyamide and free rubber wheels. Compliant with It. Leg. Dec. 81/08 and UNI EN 1335:2000.