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Boss Black Mid-back Ergonomic Task Chair

Included Warranty: 6 year Limited Distributor
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ITEM# 12217716
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    Boss Black Mid-back Ergonomic Task Chair
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    ITEM#: 12217716

    • Boss office chair features a thickly-padded seat and back
    • Ergonomic chair includes built-in lumbar support
    • Mid-back task chair has adjustable height and depth
    • Waterfall seat reduces stress to your legs
    • Nylon, 5-star base allows smooth movement and stability
    • Hooded, double-wheel casters
    • Tweed fabric
    • Weight Capacity 250 pounds
    • Dimensions: 25" D x 25" W x 35-40" H
    • Available in black color option
    Enhance the modern decor of your office with the contemporary design and the solid black tweed fabric featured by this office chair. It provides a thickly padded waterfall seat and back, allowing for maximum comfort in the office or at home. Its built-in lumbar support lends the chair an ergonomic quality, making it an excellent choice under circumstances that require extended sitting periods.

    If you are using your chair on a hard surface flooring like wood, wood laminate or natural stone surface, you may want to consider optional soft wheel casters. Optional soft wheel casters reduce the chance of marring or leaving marks on your hard surface flooring. These soft casters are inserted into the base at time of assembly as opposed to the standard, or included, casters.
    Click here to view soft caster.


    Style Contemporary
    Material Metal
    Type Ergonomic Chairs Task Chairs
    Assembly Assembly Required
    Chair Back Height Standard
    Color Black
    Furniture Frame Material Plastic
    Furniture Pattern Solid
    Product Features Adjustable Height Lumbar Support
    Seat Style Upholstered
    Weight Capacity Up to 250 lbs.
    Dimensions 26x25x35-40
    Warranty 6 year Limited Distributor
    Model Number B317-BK

    Customer Reviews

    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    • Office chair

      Comfortable, but narrow chair.

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    • A very comfortable chair!!!

      If I was able to put this chair together, ANYONE can...I use this chair in my craft room and find it very comfortable.....

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    • sturdy chair

      May daughter has used this chair at her desk for two years. Since she is a teenager it has been treated pretty roughly and has stayed strong and sturdy. Absolutely no complaints.

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    • great chair

      definitely would buy again related to the cost, and how it has lasted

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    • Well built and good looking chair.

      Was very pleased with the chair. It assembled quickly and is very attractive. It feels sturdy. I especially appreciate that the back does not lean backwards when I sit in the chair - I need the strong support and this chair provides just that. The ergonomic design is comfortable and the wheels roll easy over carpet as well as floors. Very good purchase and price.

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    • chair

      Easy to assemble. Comfortable and when armrest didn't fit into my desk I just removed them.

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    • chair

      Great chair great price. Quick delivery. Armrests are removable whichwas a plus for me

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    • Low end chair

      This chair is definately on the low end of quality. Not much comfort and very little adjustment capability. Cushions are thin and firm. Assembly was easy, but came with extra bolts that left us wondering what they were for. Would be better off spending a little extra money and getting something that is better.

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    • Boss is the Boss

      This is an excellent product, especially for the price. Set-up is fairly easy and should take under 30 minutes. It has the feel of quality construction (in spite of its being made in China) and the seating is very comfortable. I especially like the back support. It does not tilt back very far, only a few inches or so, but for me, that is no big deal. Another fine product from Overstock.

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    • Amazing Deal

      I absolutely love this chair. It's the best deal I've ever gotten at Overstock. I highly recommend it. Great quality. Comfortable.

      Read More

    Questions & Answers

    Get your product questions answered right here.
    • are arm rests adjustable in height?

      • Hello mommysleepdoc, The arm rests are removable but not adjustable in height. Thank you for shopping; have a great day!

    • What is the seat height range?


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    Shipping & Returns


    Usually leaves our warehouse in 1 business day. *

    Standard Return Policy:

    Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

    FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.


    This item cannot be shipped to Alaska or Hawaii. More details

    Shipping Information:

    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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    For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.

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