Ergonomic chair – features include adjustable seat depth, fully adjustable arms, adjustable lumbar, pneumatic seat height adjustment, recline tension adjustment, 4 position recline lock, wrapped upholstered back and seat All day comfort and back support - Gesture’s seat and back move as a synchronized system, following your body as you move throughout the day to ensure long-term support Fame Fabric is 95% Wool, 5% Polyamide (OEKO-TEX and EU Flower certified), Abrasion Martindale 120000 cycles EU Flower certified), Abrasion Martindale 120000 cycles Wheels: best suitable for hard floors (parquet, tiles, etc.) or soft floors (carpets) Easy to assemble: 12 years manufacturer warranty; Made in France