Transform your workspace with the SIHOO DORO C300 (A3) ergonomic executive office chair, engineered to provide exceptional all-day comfort and support, making it perfect for executives, managers, and professionals who spend extended hours at their desk. The SIHOO DORO C300 delivers the premium seating experience your workspace deserves.

• Executive High-Back Ergonomic Office Chair
• Dimensions: Approximately 0.70 M (L) x 0.70 M (D) x 1.14-1.29 M (H)
• Material: Upholstery premium whole mesh fabric
• Frame material: high-quality PA + fiber mesh for backrest and lumbar support
• Base material: polished aluminum base, 1136 kg static pressure test
• Casters: PU nylon casters
• Backrest: flexible backrest with 4-level height adjustment and dynamic lumbar support system
• Armrests: 6D adjustable bionic joint armrests with soft padded surfaces; adjustable in height, width, depth, and tilt (up to 35°)
• Seat cushion: Waterfall design to reduce thigh and hip pressure
• Recline mechanism: gravity-sensing with 4-position lock
• Recline angle up to 138°
• Seat depth adjustment: sliding seat for customizable depth
• Gas lift: class 4 gas lift, SGS and BIFMA-certified
• Seat height adjustment: 0.46m to 0.56.7
• Seat width x depth: 0.51.5 to 42.7-45.1 m
• Dimensions (w x d x h): 0.70 m x 0.70 m x 1.14–1.29 m
• Maximum load capacity: 180 kg (approximately 396 lbs.)
• Color: all black

Certifications: BIFMA, SGS, TÜV Rheinland, European EN1335, and reach-certified
Warranty: Minimum 2 years structural warranty