The Sihoo M57 Ergonomic Office Chair combines a modern breathable mesh design with customizable ergonomic support to promote healthier posture throughout the day. With its contoured backrest, adjustable lumbar system, 3D armrests, and generous recline, the M57 adapts easily to your body and workflow. Certified by BIFMA and SGS, it delivers durability, reliability, and comfort at an exceptional value.

Key Features & Benefits

• Supports up to 330 lbs – Stable, durable construction for a wide range of users.
• Fully Breathable Mesh Design – Keeps you cool and comfortable during long sessions.
• Streamlined S-Curve Backrest – Follows the natural shape of your spine for full-back comfort.
• Adjustable Lumbar Support – Vertical and horizontal adjustments provide personalized lower-back relief.
• Adjustable Headrest – Height adjusts up to 3.9" and tilts 45° to reduce neck strain.
• Generous Recline to 126° – Lockable recline with smooth tension for comfortable breaks.
• 3D Armrests – Adjust up/down, forward/back, and pivot left/right for precise arm positioning.
• Quality-Certified Build – Verified by BIFMA & SGS for long-term durability and safety.
• Endorsed by Experts – Recommended by Creativebloq, TechRadar, ExpertReviews, and more as one of the best budget-friendly ergonomic chairs.
• User-Friendly Adjustments – Simple fingertip controls make customization fast and intuitive.

Specifications

• Dimensions: 28"W × 28"D × 42"–49"H
• Seat Depth: 18.11"
• Max Hip Width: 20.08"
• Weight Capacity: 330 lbs (150 kg)
• Certifications: BIFMA & SGS

Visit Healthy Posture Store in Chicago to test the Sihoo M57 in person, compare it with other ergonomic chairs, and get expert fit guidance. Nationwide shipping is available across the U.S.