Sihoo M57 Ergonomic Office Chair with Breathable Mesh Cushion

Stay cool and stay comfortable with the Sihoo M57 Ergonomic Office Chair. Its full mesh construction promotes superior airflow, helping prevent heat buildup, sweat, and discomfort—even during long hours or warm weather. Designed with ergonomics in mind, the contoured backrest supports the natural “S” shape of your spine, delivering consistent comfort from top to bottom. With multiple adjustable components and a generous recline, the M57 is built for productivity, relaxation, and long-term durability.

KEY FEATURES

• Full Breathable Mesh Design – Promotes airflow to keep you cool and comfortable all day
• Contoured Ergonomic Backrest – Supports the spine’s natural “S” curve for proper posture
• 3D Adjustable Armrests – Adjust up/down, forward/back, and rotate for customized arm and shoulder support
• Dual-Adjustable Lumbar Support – Vertical and horizontal adjustment for personalized lower-back comfort
• Generous Recline Function – Reclines up to 126°, perfect for relaxing and recharging
• Adjustable Headrest – Height adjustable up to 3.9 inches and rotates 45° to fit your neck curvature
• Easy-Access Controls – Smooth seat height and recline adjustments via side handle
• Built for Durability – Steel gas lift, aluminum alloy base, and high-quality components for long-lasting use

Condition:
Very good overall condition. No remarkable damage. Fully functional, with only visible signs of use limited to light wear on the wheels.

Size:

• Supports up to 330 lbs
• Certified by BIFMA and SGS for quality and durability
• 42"–49" H × 28" W × 28" D
• Product Weight: 44.8 lbs