
400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair
Robust 400lb Capacity Ergonomic Task Chair with 5-Inch High-Density Cushion
Full manufacturer title
HYLONE 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair with Adjustable Armrests, Home Office Computer Chairs for Long Hours Mesh Executive Chair(Black)
$148
Affiliate link. Ravvy may earn a commission from qualifying purchases at no extra cost to you.

Ravvy verdict
85.0 / 100
A reliable choice for heavy-duty support that trades luxury materials for a superior 5-inch seat cushion and space-saving flip-up arms.
- Best for
- larger users and home office workers with limited space
- Buy it if
- You want extra-thick 5-inch high-resiliency sponge cushion.
- Skip it if
- You are people under 5 foot 4 inches or those seeking premium metal finishes.
- Best alternative
- TRALT Office Chair - Ergonomic Desk Chair with Adjustable Lumbar Support, Mesh Computer Chair, Executive Chairs for Home Office Comfortable Lumbar Support (Black) Black 1 (budget-conscious remote workers and students in small spaces)
How it scores on what matters
- Space Efficiency92.0
- Comfort89.0
- Support86.5
- Build Quality81.0
- Adjustability78.5
Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.
What it is
The HYLONE Heavy Duty Office Chair targets the common pain point of seat compression with a remarkably thick 5-inch sponge cushion designed to resist sagging over time. Built for durability, it features a reinforced 28-inch base and a heavy-duty gas lift that supports up to 400 pounds. The design combines a breathable nylon mesh back for temperature regulation with integrated lumbar support, catering to professionals who spend eight or more hours at their desks. Functionality is centered around adaptability and space-saving. The flip-up armrests are a standout feature, allowing the chair to slide fully under desks when not in use, which is ideal for smaller home offices. While the materials are primarily plastic and mesh, the construction feels stable during movement thanks to smooth-rolling casters that handle both hard floors and low-pile carpets without catching. It is a practical, utilitarian choice for those who prioritize seat depth and weight capacity over premium leather aesthetics.
Ravvy AI insight
When comparing heavy-duty chairs in this price bracket, the 5-inch cushion is the primary differentiator as most competitors offer only 3 inches. However, users should note the frame is primarily high-grade plastic, so while it meets the 400lb rating, it will feel lighter and less rigid than a steel-frame executive chair. Opt for this model if your priority is preventing seat bottoming-out rather than aesthetic prestige.
Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 20, 2026.
What owners praise
- Extra-thick 5-inch high-resiliency sponge cushion
- Space-saving flip-up armrests for easy storage
- Generous 400lb weight capacity for high durability
- Breathable nylon mesh prevents heat buildup
- Wide 28-inch base provides excellent stability
What to know first
- Plastic frame may feel less premium than metal
- Lumbar support is fixed rather than height-adjustable
- Minimum height may be too tall for petite users
Specifications
- Brand
- HYLONE
- Color
- Black
- Shape
- Rectangular
- Theme
- Ergonomic Office Furniture
- Pattern
- Solid
- Material
- Plastic
- Set Name
- Versatile
- Arm Style
- Flip-up
- Leg Style
- Tapered Leg
- Back Style
- Slat Back
- Brand Name
- HYLONE
- Item Depth
- 21 inches
- Seat Depth
- 19 inches
- Style Name
- Modern
- Unit Count
- 1 Count
- Form Factor
- Desk Chair
- Item Weight
- 32 pounds
- Seat Height
- 19.6 inches
- Seat Length
- 21.5 inches
- Manufacturer
- HYLONE
- Model Number
- 0016-KKL-BLACK
- Fill Material
- Sponge
- Material Type
- Plastic
- Seat Material
- Mesh
- Item Dimensions
- 21 x 18 x 40 inches
- Number of Items
- 1
- Number of Packs
- 1
- Product Dimensions
- 21"D x 18"W x 40"H
- Additional Features
- Adjustable Backrest, Adjustable Height, Ergonomic, Heavy Duty
- Frame Material Type
- Wood
- Included Components
- Arm Pad
- Indoor Outdoor Usage
- Indoor
- Age Range Description
- Adult
- Upholstery Fabric Type
- Mesh
- Manufacturer Part Number
- HL-0016-1
- Reclining Position Count
- 2
- Item Dimensions D x W x H
- 21"D x 18"W x 40"H
- Product Care Instructions
- Wipe Clean
- Recommended Uses For Product
- Computer, Drafting, Office, Video Game
- Maximum Weight Recommendation
- 400 pounds
- Assembly Instructions Description
- Require Assembly
How to get the most out of it
Optimizing Armrest Height
Since the arms flip up but do not adjust vertically, ensure your desk height allows your elbows to rest at a 90-degree angle. If the arms are too high, flip them back and use the desk surface for forearm support.
Ownership tips
care
Mesh Maintenance
To keep the mesh backrest clean, use a vacuum with a brush attachment once a month to remove dust trapped in the weave. For spills, blot immediately with a damp microfiber cloth and mild soap.
tip
Check Bolt Tightness
For heavy-duty chairs, it is best practice to re-tighten the main seat and base bolts every six months. This prevents the slight wobbling that can occur with frequent weight shifts over time.
Frequently asked questions
Does this chair tilt back or lock in place?
The chair features a rocking mechanism that allows for a slight recline. It can be locked in the upright position for focused work, but it does not lock at multiple deep reclining angles.
Is the seat cushion too firm or soft?
The 5-inch cushion uses high-density sponge, which initially feels firm to provide support for higher weight capacities. It is designed not to collapse or 'bottom out' even after several hours of continuous use.
Can the armrests be removed entirely?
While the armrests are designed to flip up and out of the way, they are an integral part of the assembly. It is recommended to keep them installed to maintain the structural integrity and aesthetic of the frame.
Is this chair suitable for someone over 6 feet tall?
Yes, the chair is optimized for users between 5'5" and 6'2". The seat height and backrest dimensions provide adequate coverage for taller frames without the headrest feeling misplaced.
Where can you buy the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair?
400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair is sold through Amazon, and HYLONE also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.
How much does the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair cost?
The last price Ravvy recorded was $148. Retail pricing on office chairs moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.
How do you get the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair for a cheaper price?
Three tactics work best: watch for holiday and seasonal sale events when office chairs discounts run deepest, compare the open box or renewed listing against new stock, and check whether HYLONE is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.
Is the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair in stock right now?
It was in stock at our last check. Availability on popular office chairs can change within hours, so the live listing is the source of truth.
Is the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair worth it?
Ravvy scores it 85.0 out of 100. The strongest argument for it is extra-thick 5-inch high-resiliency sponge cushion. The trade off to weigh is plastic frame may feel less premium than metal.
Who should buy the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair?
It fits larger users and home office workers with limited space If that does not describe your situation, compare it with the other options in Office Chairs before committing.
What are the key specs of the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair?
ASIN: B0F7QNJP67. Size: Thicken Cushion. Brand: HYLONE. Color: Black.
What are good alternatives to the 400lbs Heavy Duty Office Chair, 5" Thickened Seat Ergonomic Desk Chair?
Compare it against the other scored picks in Office Chairs on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.
Get scored
Have a product we should score?
Send us a link and we will run it through the Ravvy Score model, then show you how it compares to similar products.
Submit a productAlternatives worth comparing

Best for home office workers who prefer soft cushioning over mesh and enjoy mid-day reclining
- 135-degree maximum recline
- Retractable padded footrest
- 300 lb weight capacity

Best for budget-conscious workers needing high weight capacity and lumbar customization
- 400-lb Heavy Duty Base
- Adjustable Lumbar (Vertical & Depth)
- Contoured High-Density Foam

Best for budget-conscious remote workers and students in small spaces
- Molded foam technology
- BIFMA-certified components
- 330 lb weight capacity
