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Boss Office Products Mid-Back Ergonomic Task Chair without Arms

(View all from Boss Office Products)


List Price: $160.00

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Boss Office Products Mid-Back Ergonomic Task Chair without Arms


  • Contoured back and seat provides support and helps relieve back-strain
  • Extra large seat and back cushions
  • Pneumatic gas lift seat height adjustment
  • Weight capacity: 250 lbs


  • Overall: 25" W x 25" D
  • Minimum Overall Height - Top to Bottom: 37"
  • Maximum Overall Height - Top to Bottom: 40"
  • Overall Product Weight: 30lbs

Boss Office Products Mid-Back Ergonomic Task Chair without Arms

Weights & Dimensions


  • Armrests Min Height: 24"
  • Armrests Max Height: 32"

Additional Weights & Dimensions

  • Overall: 25" W x 25" D
  • Seat: 20" H x 18" W x 20" D
  • Base: 25" W x 25" D
  • Minimum Overall Height - Top to Bottom: 37"
  • Maximum Overall Height - Top to Bottom: 40"
  • Overall Product Weight: 30lbs


Product Type: Task chairsStyle: Contemporary
Base Finish: BlackBase Material: Plastic
Exterior Seat Material: Fabric; VinylUpholstered: Yes
  • Cushion or Upholstery Fill Material: Foam
Mechanism: PneumaticSwivel: Yes
Back Height: Mid-backBack Type: Upholstered
Headrest Included: NoFootrest Included: No
Big and Tall: NoTwenty-Four Hour Chair: No
Adjustable Height: YesErgonomic: Yes
Tilt Control: NoLumbar Support: Yes
Life Stage: AdultCasters: Yes
  • Hooded Casters: Yes
  • Double Wheel Casters: Yes
  • Compatible Flooring: Carpet; Hardwood
Heated Seat: NoHeated Back: No
Leg Type: Five-point rollingArmed: Yes
  • Arm Type: T-bar
  • Arm Finish: Black
  • Armrest Material: Plastic
Adjustable Arms: Yes
  • Arm Adjustment Type: Height
Weight Capacity: 250 Pounds
Commercial Use: YesEco-Friendly: Yes
Product Care: Wipe clean with a damp clothCountry of Manufacture: China


Assembly Required: YesTools Needed: Screwdriver
Additional Parts Required: No 


Product Warranty: 6 year limited 


GSA Approved: NoGreenguard Certified: No

About the Manufacturer

Boss Office Products – a division of Norstar, has always been a major company in the office furniture industry. With headquarters in California and a branch in Atlanta, Boss Office Products has a strong foothold in office products across the nation. The company specializes in the design and manufacturing of all types of office seating products. Some of their most successful products include executive chairs upholstered in various materials, as well as task seating. Ergonomics plays a big role in the development of Boss Office Products and will bring the company into the future with new and improved ways to make office seating comfortable and affordable.


The Mid-Back Ergonomic Task Chair without Arms is a Contemporary style product. Contemporary style bridges the gap between traditional and modern. Pieces feature simple and clean lines with smooth surfaces without any carving or adornment. You can shop for more Contemporary Office Chairs in the Office section of our site.

Boss Office Products Mid-Back Ergonomic Task Chair without Arms


“Hi, what is the adjustable height range of the seat?” asked by Karen

"Hi Karen, the adjustable height of the seat ranges from 17"-22"." Kevin from Wayfair

Still have questions about this product? We're here to help

When you buy a Boss Office Products Mid-Back Ergonomic Task Chair without Arms online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Boss Office Products Part #: B9090-XX here. If you have any questions about your purchase or any other Office Chairs product for sale our customer service representatives are available to help.Whether you just want to buy a Boss Office Products Mid-Back Ergonomic Task Chair without Arms or shop for your entire home, Wayfair has a zillion things home.
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Customer Reviews

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Tell us what you think about the Mid-Back Ergonomic Task Chair without Arms. It will help us provide you with better products in the future and help your fellow Wayfair shoppers make better purchases.

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Average Overall Rating:
(based on 13 reviews)

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Comfortable chair!

Susan from Pen Argyl, PA– Verified Buyer

You can't beat this chair for price or comfort! It was a bit of a challenge to put together by myself, but with my husband's help at the end we got it!

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Great chair

V Anne from Michigan

There was one piece that was broken when the chair arrived. We were able to get the part replaced quickly with Wayfair and now it is a great chair.

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Love It

Donna from Pike Road, AL– Verified Buyer

Now I'm not mechanically inclined or a genius but. for me to put this chair together by myself...ooh la la..simple easy instructions..Nice chair well made good quality chair....

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Wouldn't trade!

padonr from Fort Worth, Texas– Verified Buyer

I wouldn't trade this chair for a free top of the line chair! I have one at the office and one at my home office. I work 10-14 hour days, and NEVER have any back pain or discomfort. Four hours of sitting in a sub-par chair and my back was killing me. If I had the space I'd order a few extra to hoarde.

Was this helpful? Yes1 No0

Good task Chair!

SON NGUYEN from HOUSTON, TX– Verified Buyer

This is very good task chair. Seat is comfortable. Back is big enough. I suggest this chair if you look for a task chair. I got for 4.

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Great price!

Richard K. from Phila Pa

Pruduct was as advertized.Great price and the shipping was fast. Easy to build and very comfrotable! We are using them in our music school for the teachers.

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Great chair

Maria from Hendersonville, TN

This chair was so easy to put together. My 12 & 13 year old boys did it. I like the height adjustments. Only wish I would have gotten the arm rests.

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Great Seats

Michelle from Newport Beach <CA– Verified Buyer

The response time on this order was amazing. The nurses on the unit are still raving about how great the chairs are.

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Great service and a great price.

EAFM from New York– Verified Buyer

I've set up a home office using this chair for my air desk and laptop. I'm very satisfied with the overall quality.The instructions were minimal and lacked sufficient text. However, a call to the manufacturer customer service cleared everything up.

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Great Chair!

TB from Antioch, IL– Verified Buyer

Bought my husband the "Big Man's Chair" and of course had to have a chair that would match in finish. We have a two person, wrap around desk in our home office. Love both chairs. Worth upgrade for smooth finish - looks like leather and very comfortable. Has nice clean look. Chairs are very sturdy and comfortable. Task chair could have a little better lumbar support, but I never sit back in my chair. I would definitely recommend.

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Mid-Back Ergonomic Task Chair without Arms is also sometimes listed under the following manufacturer numbers: B9090-BE, B9090-BK, B9090-BY, B9090-CS, B9090-GY, B9091-BE, B9091-BK, B9091-BY, B9091-CS, B9091-GY