The Sihoo M18 is an ergonomic office chair that offers maximum comfort and support. The chair features a W-shaped seat, a breathable mesh backrest and double lumbar support. It offers effortless ergonomic comfort, making it an excellent choice for adaptable and healthy sitting. The seat of the Sihoo M18 chair is made of high-quality foam and is designed in a W-shape, providing an extremely soft and comfortable seat. The backrest of the chair is made of breathable mesh material, which promotes excellent ventilation and prevents sweating and discomfort, especially in hot weather. This feature ensures a cool and comfortable sitting experience. The backrest can be easily adjusted both vertically and horizontally to ensure perfect support for your spine and continuous comfort. The Sihoo M18 allows you to keep your arms relaxed and comfortable while working. The height of the armrests can also be adjusted. The chair's headrest can be adjusted vertically by 10 cm and rotated by 45° to provide customisable support for your neck in different positions.