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3 year warranty
30-Day Trial
Benefits and Features
Adapts to you
Unlike standard chairs, the Welax is specifically designed for normal and larger body sizes. With 10 adjustable settings, you'll experience personalized comfort that supports your posture all day long.
Offers spacious and soft seating
The wide seat is shaped to support you, distributing pressure evenly to reduce strain. You'll notice the difference during longer desk sessions, feeling supported and comfortable.
Ergonomic design
This chair is designed to promote correct posture by closely considering the human anatomy. Every little detail, every angle and every shape has been carefully considered to relieve the discomfort caused by prolonged sitting.
Lets your back breathe
A stylish and durable mesh back not only looks good, but also provides excellent air circulation, keeping you cool and comfortable even during long working days.
Tested durability
The Welax chair meets and exceeds stringent BIFMA standards for durability and safety. Our extended 3-year warranty reflects our confidence in the quality of our product.
Buying in bulk?

Ordered
Feb 17

Order Ready
Feb 18 - Feb 22

Delivered
Feb 23 - Mar 01
Why choose Welax's ergonomic mesh office chair?
This ergonomic mesh office chair backrest will help you to maintain a better sitting posture and comfort in everyday use and relieve muscle fatigue. The wide headrest can drag the head and protect the cervical spine.
Discover the ultimate comfort solution.
Our thoughtfully designed office chair features a seat cushion that can be easily adjusted to accommodate your height and thigh length. With our innovative seat depth adjustment and adjustable cushion tilt functionalities, you can fine-tune your seating position to alleviate strain and promote relaxation in your thighs. Experience exceptional support and personalized comfort like never before.
Experience unrivaled flexibility .
Equipped with 4D Armrests, it's more than just a seating solution - it's a game-changer. Effortlessly glide up and down, back and forth, and rotate left and right, all with a simple adjustment.
Elevate your Office Experience.
With our BIFMA and SGS Certified. Designed for maximum durability and performance, this adjustable ergonomic mesh office chair supports up to 300 lbs. Offering exceptional comfort and impeccable style, it ensures long-lasting support, promoting good posture and reducing uncomfortable strains. Enhance your workspace with this top-tier seating solution today.
Specs
Dimensions | 228.74”L x 29.33”W x 44.09” - 51.97” |
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Seat dimensions | 20.47”L x 16.54”-20.47W |
Seat height | 18.51” - 20.87” |
Back dimensions | 19.29”W x 24.02”H |
Tilt range | 25° |
Armrest height (from the floor) | 25.39” - 28.74” |
Caster wheel diameter | 2 inches |
Number of caster wheels | 5 pieces |
Materials | Polyester fabric with molded foam interior and durable nylon plastic frame; PU handrest pads. |
Colors | Black |
Weight capacity | 300 lbs |
Item weight | 57.2lbs |
Shipping dimensions | 27”L x 25”W x 17.5”H x 57 lbs |
Assembly required | Yes |
Warranty | 2 years |
Free returns | 30 days |
Adjustability | Headrest, armrest, back tilt angle and tension, seat tilt and height. |
Assembling instructions | View here |
Functions guide | View here |

Choose options












10 Adjustable Points










Follow Your Body!
Its Shape Mimics The Natural Curves of Your Body. By Aligning Your Spine, Hips And Shoulders In Their Natural Position, The Chair Reduces Tension And lncreases Comfort.

Relief for Your Legs
The seat is made of high-density foam and distributes pressure evenly, so you stay comfortable and focused.
Ergonomic Design for All
This chair is meticulously designed to accommodate a wide range of body types and features adjustable settings to suit individuals of varying heights, ensuring an optimal and personalized seating experience for all.
As Adjustable as Possible
Precisely adjust the seat height, depth, and backrest height. This way, you achieve a personalized fit that feels tailor-made just for you.
Support for Arms and Shoulders
Three-dimensional armrests offer full range of motion and adapt exactly to your natural arm posture.
Reduces Tension in Your Neck
The soft mesh headrest, which you can adjust at will, gives your neck exactly the support it needs.
Lean Back and Relax in Seconds
Whether Netflix marathon or video call sessions, our chair has your back free with its gentle reclining function. With five lockable positions, you can easily find and maintain your preferred angle.
90-135°
Angle of Inclination
5
Lockable Positions
Backrest Follow Mode
With Adjustable Tension
Pain-free Through the Day
The lumbar support adapts to the natural curvature of your spine. This allows your back to feel fresh even after hours of work.
Feel the Quality
With great attention to detail, this chair was designed and equipped with soft and wide headrest cushions, high-density foam padding, and breathable mesh fabric. All for your comfort and durability in everyday use.



Fully Certified Reliability
Our chairs has been tested in hundreds of thousands of stress tests under extreme conditions. Not only to meet international durability standards, but to exceed them. This ensures that it can withstand the harshest conditions.

Fall Load Test
136kg weight is dropped to the center of the seat.
Test of Durability of Seats
100,000 cycles. A weight of 57kg is thrown on the seat.
Load Test of The Backrest
A force of 1.001N is applied to the backrest for one minute.
Test of The Tilting Mechanism
300,000 cycles. The chair is tilted with a weight of 109kg in the middle of the seat.
Tilt Test Forward
A vertical force of 600N is applied at points that are likely to cause tipping.
Armrest Durability Test
60,000 cycles. A force of 400N is applied to each armrest.
Rear Stability Test
13-heavy plates are pressed against the backrest

Swing Test
120,000 cycles. The seat is loaded with a weight of 122kg at maximum and lowest height.