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OM Seating  |  SKU: YSYM

Office Master Yes Ergonomic High Back Office Chair - with Headrest | YSYM

$817.70

The Office Master YSYM Ergonomic High Back Office Chair with Headrest is built for tall professionals who spend long hours at a desk, delivering robust support, neck relief, and adjustable comfort. Its design emphasizes posture and endurance, so you can work comfortably through the day.

Highlights

  • Extra-high 6" pneumatic lift to accommodate taller frames and align with your workspace.
  • Longer seat cushion and adjustable seat depth for extended sitting sessions.
  • Tilting backrest with rocking tilt and a configurable tension knob to tailor movement.
  • Mesh back (high) promotes airflow to keep you cool during long workdays.
  • Heavy-duty metal base with dual-colored 65mm soft casters for smooth, stable mobility.
  • Weight capacity up to 300 lbs for durable, reliable support.
  • Headrest for neck and upper back relief, enhancing comfort during extended periods of use.
  • Back height adjustment and forward tilting provide a customizable fit for different body sizes.
  • Part of the YS series, named after Yao Ming, combining performance with everyday usability.

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Dimensions

Model/Sku Office Master YSYM
Overall Width 28"
Overall Height 42" - 52"
Back 19" w x 24" h
Seat 23.5" w x 20.5-23.6" d
Seat Height 19" - 25"
Carton Weight 55 pounds
Warranty 12 year limited
Chair measurements are approximate and are based on switching cylinder heights on otherwise the same chair, with the same base and casters. Arm dimensions are approximate as actual measurements will vary depending on a variety of factors: cushion contour(s), seat upholstery, memory foam, etc.

Downloads

Warranty

Office Master, Inc. (OM) warrants to the original purchaser that its products are free from defects in materials and workmanship for the applicable warranty period, as indicated below. 

Should any item fail, OM will – at its sole discretion – repair or replace, with a comparable product or part, any item found to be defective as a result of normal commercial use (i.e., a single 8-hour shift, 5 days per week).

This warranty does not apply to items subjected to abuse, misuse, neglect, alteration, or damage caused by shipment, storage, accident, fire, flood, or act of God.

Note: the actual warranty terms are specified on the chair product page. 

lifetime limited warranty:

The OM5 Series® (including the OM5 Active sub-series), Truly.® Series, and Ginny are covered by a lifetime limited warranty on all structural components as defined below.

12-year limited warranty:

Unless otherwise specified, all models not classified as budget or 24/7 or heavy-duty are covered under a 12-year limited warranty on all structural components as defined below.

7-year limited warranty:

Unless otherwise specified, all models classified as budget or 24/7 or heavy-duty or bariatric are covered under a 7-year limited warranty on all structural components as defined below. Budget series include: BC, SG, ST, and WS. Bariatric series includes: GY4B-26 and GY4B-30.

warranty terms:

Within a given model’s applicable warranty period, all structural components, including gas cylinders, wood, metal and plastic parts (i.e., chair frames, bases and control handles) are guaranteed against structural failure when under normal commercial use. All OM seating comes with a default 275 lbs. weight capacity limit unless otherwise specified by OM. 

For all models, consumable items (i.e., casters, glides, etc.) are covered by a 5-year normal commercial use warranty.

fabrics and foam:

OM in-stock upholstery & foam cushions are covered by a 5-year normal commercial use warranty. Normal wear and tear on fabrics such as wrinkling, dirt accumulation or gathering is not covered. This includes Truly.® Series “Jackets” and “Wraps”. Natural, minor variations may exist in color, surface, grain or texture of upholstery materials. As a result, any such variations are not warranted. COM/COL and graded-in fabrics are not covered.

warranty labor:

This warranty exclusively covers the repair or replacement of OM parts as determined by OM and does NOT cover any portion of field labor or service and does NOT cover any portion of field labor or service. For information regarding OM’s non-warranty shop time and related charges, please reference a current copy of OM’s pricebook, in the Terms and Conditions section.

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