[Modern technical design] The rear plastic backrest with carbon fiber effect structure not only looks modern, but also creates a unique and elegant atmosphere. [Adjustable tilting backrest] The backrest can be tilted to 125°, which allows you to find a comfortable sitting position for gaming, working or relaxing. [Ergonomic 4 support points] The H-shaped backrest with 4 support points relieves back pressure and provides optimal lumbar support, perfect for long hours of work or play. [Comfortable Sliding Seat] The seat can be adjusted forward or backward by 5 cm to meet your different needs. This ergonomic office chair is ideal for tall people [Versatile Adjustable Features] The headrest is height adjustable by 5 cm, the armrests are height adjustable by 5 cm, adjustable forward or backward by 7 cm, and swivel 30°. This ensures a comfortable seating experience for users of different heights. Product details: - Color: dove grey. - Material: PU, foam, steel, polyester. - Overall size: 68 x 68 x (137-145) cm (D x W x H). - Seat height: 49-57 cm. - Seat size: 50 x 52 cm (D x W). - Height of armrests (from the floor): 62-67 cm. - Backrest height: 88 cm. - Weight: 23.7 kg. - Max. Static load capacity: 150 kg. Package includes: - 1 x ergonomic office chair. - 1 x accessory package. - 1 x User manual (English)