It allows you to customize the comfort of your chair.
See Before You Buy
See why 150,000+ customers ditched their old shop chairs and made the switch to Vyper.
VYPER BACKREST
Trusted by 150,000+ Customers
Trusted by 150,000+ CustomersLUMBAR
Made in USA
Great Add-Ons To Have
BIG BOY ATTACHMENT
Want to maximize comfort on your Vyper Chair? Then the Big Boy is the attachment you need! The Big Boy attachment provides an additional 6" width to your Vyper Chair, making it perfect for those that have a wider frame. Available for all models besides Low-Pro & Lay-Down Creeper. This is only an attachment, not the entire chair
$195
Specs & Dimensions
- Dimensions
- 14"x22"
- Adjustable
- N/A
- Cushion Thickness
- 4"
- Fits
- Robust & Elevated Steel Max, Robust Steel Pro
- Made In
- Wisconsin, USA
Who It's Built For
Anyone who spends real hours in the seat. The Big Boy widens the seat frame so there is room to shift, lean and work without the edge cutting in.
Why You Need This Accessory
It bolts onto the standard seat frame in minutes and adds four inches of cushion, so the chair you already own carries you through a full day.
BIG BOY ATTACHMENT
Want to maximize comfort on your Vyper Chair? Then the Big Boy is the attachment you need! The Big Boy attachment provides an additional 6" width to your Vyper Chair, making it perfect for those that have a wider frame. Available for all models besides Low-Pro & Lay-Down Creeper. This is only an attachment, not the entire chair
$195
TOOL TRAY
Increase efficiency through organization by adding a tool tray to your chair! This tool tray is made with mild steel that's powder coated in black wrinkle. Not attachable with the Low-Pro or Lay-Down Creeper.
$110
Specs & Dimensions
- Dimensions
- 19" W
- Adjustable
- N/A
- Cushion Thickness
- N/A
- Fits
- Robust & Elevated Steel Max
- Made In
- Wisconsin, USA
TOOL TRAY
Increase efficiency through organization by adding a tool tray to your chair! This tool tray is made with mild steel that's powder coated in black wrinkle. Not attachable with the Low-Pro or Lay-Down Creeper.
$110
ADJUSTABLE ARMREST
The armrest that finishes the chair. You're either configuring your first Vyper chair right now and wondering if armrests are worth it, or you've been using your Vyper for a...
$225
Specs & Dimensions
- Dimensions
- 24-30" W x 13-17" H x 8" L
- Adjustable
- Yes
- Cushion Thickness
- 2.5"
- Fits
- Robust & Elevated Steel Max models
- Made In
- Wisconsin, USA
ADJUSTABLE ARMREST
The armrest that finishes the chair. You're either configuring your first Vyper chair right now and wondering if armrests are worth it, or you've been using your Vyper for a...
$225
Subtotal
$100
$100
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Proudly American Made
Designed, manufactured, and packaged
in Green Bay, Wisconsin. Every chair,
every cart, every creeper.
Trusted by 150,000+ CustomersSee Before You Buy
See why 150,000+ customers ditched their old shop chairs
and made the switch to Vyper.
Who It's Built For
Wish that you ordered your Vyper Chair with a backrest? No problem! You can easily add a backrest to your existing chair in minutes.
Our must-have ergonomic backrest can help improve posture and provide relief for bad backs.
Available as a replacement or for the Robust Steel Pro.
**BACKREST IS ALREADY INCLUDED ON ALL MAX MODELS**
Used By The Pros Everyday.
Trusted, tested, and used by the best in the industry.
VYPER BACKREST
USED BY THE PROS EVERYDAY.
Trusted, tested, and used by the best in the industry.
JAY LENO
JAY LENO'S GARAGE
RICHARD RAWLINGS
GAS MONKEY GARAGE
BILL GOLDBERG
GOLDBERGS GARAGE
CHIP FOOSE
FOOSE DESIGN
BRIAN SCOTTO
HOONIGAN
ADAM LZ
LZMFG
01/06
Why switch to Vyper?
Built in Wisconsin. Backed for life.
- US madeHand-built in Wisconsin, USA
- Lifetime warrantyFrame, hardware and casters
- 30-day trial100% Money Back Guarantee
- Free shippingOn every order
Trusted by 150,000+ customers
14,000+ 5-Star Reviews
Customer Reviews
Overall rating: 4.9 / 5 from 478 reviews.
It’s a must have for me. I’ve added it to all of the chairs I’ve bought.
I SHOULD HAVE ORDERED IT FROM DAY ONE THANK YOU
Great Stuff
I
Don't buy this chair without this adjustable backrest
I have a blue chair but the backrest is too short and it was never comfortable. When you guys offered the last Green Chair I ordered the Adjustable Backrest and Adjustable Arms. I built them o. A Tribute Chair I’ve had in the box for a couple of years. Now I need a Big Boy Seat that matches my Tribute or this Camo Armrest.
Took a bit to put together, but can set it at the perfect angle and height to support my back, now I do have a very pretty and heavy fixed back/bracket/support, and some steel that I never used because I also purchased the tool tray. Still a great, solid, American made product!
It added just that awesome touch! 🩷It!
Freaking awesome! over built In the best way.
The chair is amazing. Love it.
Very helpful over the standard backs if you spend a lot of time in your chair
Love it!
The adjustable backrest made it so much more comfortable to do maintenance instead of having to kneel and twist into different positions to work on different areas of the engine.
If GM made a shop chair, the viper would be the Denali!! This accessory made it a Escalade!! 🙌🏼
First time buying a vyper chair and I love it. None of the tool trucks that stop at the shop could get me a pink roll stool so my only option was vyper and I love it thank you so much and I'm a huge advocate for breast cancer 🎀
Took a bit to assemble, but once again a solid, heavy, quality American made item!
Higher adjustable back fits better with my larger frame. Comfortable and well worth it
Matches my chair, love the adjustability.
If you are big and tall then just buy this add-on for improved comfort. Priced a bit high but definitely more comfortable.
The adjustable backrest is incredible, helping you dial in the right back support angle you want and need. It is easy to adjust and change at any time.
I’m a big guy and wanted the backrest not so close the adjustable back is perfect to set the back to comfortable position
Customer loves his new chair.
Absolutely love my Freedom edition. Only thing I would suggest is putting together a set of instructions on putting it together when using the adjustable arm rest and adjustable back rest. Must admit , part of the issue may well have been my excitement at putting it all together instead of getting any sleep after a 29 hour excursion!!
The stool is incredibly comfortable. I sit in mine most all day, and it is FUN!!! The back, arm, and seat just take it to the next level!!!
the edging is terrible. Does not adjust high enough to rest against in comfort. I will never buy this product again or recommend the expensive item. Not to mention the discounts are a joke.
The adjustable backrest added to this chair is like putting icing on a cake, it’s a must have. I should have just bought all options from the beginning. My chair is now LOADED with the Big Boy attachment, adjustable arm rests and now the adjustable backrest. Great products VYPER !!
Hate to admit i’m an older guy now and my old chair from my local tool truck dealer is the same way first thing i did after i assembled my new rock star vyper chair was put them together for a comparison the old one is time to retire never had one with an adjustable backrest before money well spent for a guy with a wore out chassis thanks alot
I wish it had a adjustable shock like a office chairs that way it wasn’t permanently set in one position
Added the adjustable back rest. I like the extra height, and being able to custom set the angle. That being said, Ill likely never touch it again.
make the adjustable piece as strong and COOL looking as the standard support. I bought it, but didn't install it.
Definitely a superb product. This is my third stool. I did have a little trouble installing the bolts to mount the backrest to the seat cushion. As I would get close to seating the bolts, they would get extremely hard to turn. I backed them all back out and used a tap to make sure the threads were clear. I also ran the bolts through a die to remove some of the paint on the threads. After this the bolts seated fully and I didn't strip out any of the inserts!
Everything works great. Only complaint I have is the tool trays and backrests were delivered at different times than my chairs. So I had to wait for everything to assemble them. Kind wish I ordered 2 backrests instead of 1 though.
After finally convincing myself to get the Vyper chairs I couldn’t be happier, these chairs are truly built rock solid. Excellent quality, precision engineering, and very comfortable. I also love the Freedom paint job!
Love it
Love the color of the Freedom chair for America's 250th! The adjustable backrest is a great add to personalize the fit of my Vyper chair.
Great chair highly recommended for sure!!! Thanks Vyper you guys are awesome
Love the product. Very sturdy, roll great!!
These Vyper chairs are expensive, but the old saying 'You get what you pay for' is certainly true here, these chairs are fantastic. This is my second one, more to come I'm sure!!
Much, much more comfortable than the standard backrest.
Frequently Asked Questions
Everything you need to know before you upgrade.
What accessories are available for Vyper chairs and stools?
The most-purchased Vyper accessories are the Adjustable Backrest, Adjustable Armrest, Big Boy, Tool Tray, and Sidekick. Each one solves a specific problem:
- Adjustable Backrest: Replaces the stock backrest with a 10° tilt and 4" of height adjustment, for buyers who want to dial in lumbar support exactly.
- Adjustable Armrest: A solid grip for sitting down and standing up, and most importantly, to improve posture / stability.
- Big Boy: Adds 7" of seat width, for larger frame buyers or anyone who wants more room and stability.
- Tool Tray: Bolts to the underside of the chair to hold sockets, loose bolts, and shop rags.
- Sidekick: Side-mounted attachment with cup holders, a tool holder, and storage for spray bottles, polishers, and shop towels.
All accessories are made in Green Bay, Wisconsin and ship with the same warranty and 30-day guarantee as the chairs themselves.
What's the difference between the Sidekick and the Tool Tray, and do I need both?
The Sidekick mounts on the side of the chair for what you're actively using (spray bottles, polishers, microfibers, a cold drink), while the Tool Tray bolts underneath for what you've already used or what might fall (loose bolts, dropped sockets, shop rags, small parts).
They're built to work together, not against each other. Detailers and fabricators who run the Complete Package (Robust Steel Max + Tool Tray + Sidekick) consistently say the two-accessory combo turns the chair into a real mobile workstation. Sidekick at hand for the polisher you're using right now, Tool Tray below for the spent microfibers and parts. If you can only pick one, the Tool Tray is the accessory most buyers later say they wish they'd added from day one.
Can I use the Big Boy and the Sidekick together on the same chair?
No. The Big Boy and the Sidekick cannot be installed on the same chair, they mount in the same location and you have to pick one. Our specialists at (920) 301-3822 can walk you through the right choice if you're not sure.
The decision is usually clean. If you're a larger-frame buyer (or an older buyer wanting more leverage when standing), get the Big Boy. If you're a detailer, fabricator, or anyone who works with supplies at the seat all day, get the Sidekick. The Adjustable Backrest, Adjustable Armrest, and Tool Tray all work with either choice, so you don't lose any other accessories by picking one over the other.
Is the Adjustable Backrest worth the upgrade over the stock backrest?
For most buyers, the stock backrest is built right and works exactly as designed. The Adjustable Backrest is the upgrade for the buyer who lives in the chair, taller height range, up to 10° of recline, and the ability to dial in the support position to your specific body and the way you actually work.
Roughly half of buyers add it during initial chair configuration. The other half buy it months later, after deciding they want to fine-tune the backrest position even further. Reviewers consistently describe it as the upgrade that turns the chair from "comfortable" into "I never want to get up." Compatible with the Robust Steel Max and Elevated Steel Max chairs, and pairs with either the Big Boy or the Sidekick.
Who should buy the Big Boy attachment?
The Big Boy adds 7" of additional seat width, built for two specific buyers: larger-frame customers (280 lbs and up, or anyone who finds the standard seat too narrow) and older buyers who want more leverage when sitting down and standing up.
Reviewers consistently call it a confidence upgrade. The wider seat means you don't have to perfectly center yourself when sitting, and the wider surface gives you something to push off when standing. It's the most-recommended upgrade in the Vyper review base for buyers in their 60s, 70s, and 80s. Available on all Vyper chairs except the Low-Pro and Robust Steel Sport. Cannot be combined with the Sidekick.
Can I add Vyper accessories to a chair I already own?
Yes. Every Vyper accessory is designed to bolt onto chairs already in your shop, you don't have to buy them at the same time as the chair. Roughly half of buyers add accessories during the initial chair configuration. The other half buy them weeks or months later, after deciding what they actually need.
The Tool Tray, Sidekick, Big Boy, Adjustable Backrest, and Adjustable Armrest all install with basic hand tools and ship with instructions and hardware included. If you bought your Vyper chair years ago, the accessories from today's lineup are still compatible with the standard chair models. Call (920) 301-3822 if you're not sure whether an accessory fits an older chair.
Which Vyper accessories work with the Low-Pro and Robust Steel Pro stools?
The Vyper Backrest add-on works on the Robust Steel Pro and the Low-Pro Backrest works on the Low Pro, for buyers who started with a stool form factor and decided they wanted lumbar support after the fact.
The Big Boy is not compatible with the Low-Pro, but is compatible with the Robust Steel Sport. The Tool Tray and Sidekick are designed primarily for the Robust Steel Max and Elevated Steel Max chair frames. For a stool-specific tool-holding solution, the Robust Steel Pro ships with a built-in stationary tool tray as a standard feature, no add-on required.
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