For anyone who wants to sit relaxed and supported throughout the day - whether in the office or at home. Adaptive backrest adapts naturally to your movements. Adjustable headrest - height, depth and angle adjustable. Waterfall seat shape reduces pressure on legs and hips. Breathable mesh for freshness even on long days. 4D armrests with automatic synchronisation when leaning back The Sihoo Doro C300 offers you ergonomic comfort that thinks for you. The flexible backrest with triangular frame design gently follows your movements and provides constant support along your spine - without the need for readjustment. The dynamic lumbar support, which automatically adjusts when you lean back, ensures maximum relief during longer sessions. The height, depth and angle-adjustable headrest with auto-lock function adapts to your neck with millimetre precision - for ideal support when employees are working or relaxing. Seating comfort is not neglected either: the waterfall-shaped seat distributes your weight evenly and effectively relieves pressure on your thighs and hips. The breathable mesh fabric ensures good ventilation, remains easy to clean and looks great even after years of use. The 4D armrests can be adjusted in several directions and are synchronised with the backrest - so your arms remain perfectly supported even when reclined. Tested according to American BIFMA standards and German TÜV certification, the Sihoo Doro C300 stands for tested safety, quality and durability - everything you would expect from a modern office chair.