ACGAM - CG-5455M Ergonomic Office Chair, High Back Mesh Desk Chair with Adjustable Lumbar Support, Headrest, Armrests & Recline - Black
Customers are saying
Customers frequently mention that the product offers excellent ergonomics. Users are particularly satisfied with the comfort level and the precision of the available adjustments.
Features
Premium Comfort with Breathable Mesh
Stay cool and comfortable during long work or gaming sessions with a breathable mesh high back that helps improve airflow and reduce heat buildup. The high-density foam seat cushion provides firm, supportive comfort for everyday use.
Adjustable Lumbar Support for Better Posture
The adjustable lumbar support helps fit the natural curve of your lower back, providing targeted support where you need it most. It helps promote a more comfortable sitting position during extended desk time.
Customizable Support for Work and Gaming
Adjust the headrest, armrests, and seat height to match your preferred sitting position. Whether you are typing, gaming, studying, or relaxing, the CG-5455M helps support your neck, shoulders, arms, and back.
Multi-Angle Recline with Smooth Height Adjustment
The multi-angle reclining backrest and synchro-tilt function let you lean back and relax when you need a break. A 3.94-inch Class III gas lift offers smooth seat height adjustment for better alignment with your desk.
Sturdy Metal Base with 360° Smooth Mobility
Built with a sturdy 14-inch metal base and 300 lb weight capacity, this ergonomic chair is designed for stable daily use. Quiet nylon casters and 360° swivel movement make it easy to move around your home office, gaming room, or study space.
Trustworthy After-Sales
Once purchased, you are our valued customer entitled to lifetime after-sales service. No worry you have any queries or require technical help, please contact us via email at gkcustomerservice.us@gmail.com or the contact information in the user manual.
Specifications
- Product Height51.57 inchesProduct Width27.95 inchesProduct Depth25.79 inchesSeat Height (From Floor)18.5 inchesMaximum Weight Capacity300 poundsMaximum Seat Height From Floor22.24 inches
Reviews
Rating 4.5 out of 5 stars with 27 reviews
- Ergonomics (3)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Upgrade your workspace with the ACGAM CG-5455M High Back Ergonomic Mesh Office Chair. Designed for long workdays, home offices, executive offices, and professional workstations, this chair combines a breathable mesh high back, supportive high-density foam seat cushion, and multiple ergonomic adjustments for all-day comfort. The adjustable lumbar support, headrest, armrests, recline, and seat height allow you to personalize your sitting position for focused work and everyday desk use. Built with a sturdy 14-inch metal base, 300 lb weight capacity, smooth 360° swivel, and quiet nylon casters, the CG-5455M delivers the comfort, stability, and refined support expected from a modern ergonomic office chair.

The SIHOO A3 office chair, an innovative ergonomic model, uses advanced technology to ensure comfortable sitting and proper posture. It features automatically adjustable 3D headrest, lumbar support, linked 3D armrests, an intelligent gravity mechanism, and automatic adjustment, along with a soft backrest and breathable mesh seat for all-day comfort. Its 3D headrest offers wide-angle adjustment (4.5cm up/down, 6.5cm forward/backward, 20° angle) and is made of soft mesh with a triangular soft elastic frame and support straps for back support; the 4-position adjustable 6cm liftable backrest suits all heights and auto-reverts to level 1 when at maximum height. It also comes with domino auto-adaptive lumbar support. The intelligent gravity mechanism with weight-adjustable resilience enables 2-step auto-adjustment and tilting from 92° to 100° to 112° (max), allowing comfortable rocking or short breaks. Certified by American BIFMA and German TUV, it has passed tests like backrest strength and seat impact tests, and is equipped with SGS Class 4 cylinders for durability and safety. It comes with a 3-year warranty, with support available for any product issues.

Designed for lasting comfort and everyday productivity, the ACGAM Ergonomic Mesh Office Chair combines breathable support with personalized adjustability. The ergonomic high-back design, adjustable lumbar support, headrest, and height-adjustable armrests help promote proper posture while reducing fatigue during long hours of work, study, or gaming. The breathable mesh back encourages continuous airflow to keep you cool, while the reclining backrest and pneumatic seat height adjustment allow you to find your ideal seating position. Built with a sturdy base and smooth-rolling casters, this chair delivers reliable performance and effortless mobility for home offices, workspaces, and gaming setups.

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| Pros for ACGAM - CG-5455M Ergonomic Office Chair, High Back Mesh Desk Chair with Adjustable Lumbar Support, Headrest, Armrests & Recline - Black | |||
|---|---|---|---|
| Ergonomics | There were no pros for this product— | Comfort | Ergonomics, Build Quality, Recline Functionality |
































































