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Office Star ProGrid 97720-30 High Back Manager's Chair, Coal FreeFlex vs Steelcase Leap Office Chair, Onyx

These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.

Office Star ProGrid 97720-30 High Back Manager's Chair, Coal FreeFlex

Carpeted offices where a seat slider and 3-way arms matter

Office Star's ProGrid 97720 pairs a mesh back with adjustable lumbar, a padded seat with a slider and 3 inches of listed seat travel, a synchro tilt with what Office Star calls an infinite lock, and arms that move in height, width and depth. The listing claims 275 pounds, but the printed warranty covers users of 250 pounds or less on a 40-hour week.

Published specifications

  • Maker: 28.25 W x 25.75 D x 43.25-46 H in overall
  • Maker: seat 20.5 W x 19.5 D in; height 18-21 in; 3 in seat travel
  • Maker: synchro control with infinite lock and tilt tension; adjustable lumbar
  • Maker: height, width and depth arms; 19.25 in max inside width
  • Maker: titanium-finish base with dual-wheel carpet casters
  • Warranty: lifetime parts, 3 years fabric and foam, users 250 lb or less

Strengths

  • Seat slider with 3 inches of travel and a synchro control with an infinite lock
  • Maker spec sheet decodes the -30 upholstery code on this listing
  • Lifetime warranty on cylinder, mechanism, base and casters

Caveats

  • Printed warranty is limited to users of 250 lb or less, below the listing's 275 lb
  • Listing dimensions disagree with the maker's by up to three inches
  • Casters are carpet casters, and no other caster is listed by the maker

Check this model on Amazon

Read the full Office Star ProGrid 97720-30 High Back Manager's Chair, Coal FreeFlex guide

Steelcase Leap Office Chair, Onyx

People who want separate upper-back tension and lower-back firmness controls

Leap pairs a recline-tension knob with a separate lower-back firmness knob and a five-position recline paddle. Steelcase rates it to 400 pounds. The listing's size fields disagree with each other, and the retail warranty depends on buying from a seller Steelcase counts as authorised.

Published specifications

  • Listing: model Leap, part number 46216179, five UPCs
  • Hang tag: seat height, back-stop paddle, upper back force, lower back firmness
  • Hang tag: arms, headrest, lumbar and seat depth marked optional
  • Maker page: Natural Glide System; four recline stops plus upright lock
  • Maker page and listing: chair rated to 400 lb
  • Maker page: 12-year 24/7 multi-shift warranty; retail buyers fall under a consumer warranty

Strengths

  • Separate knobs for recline tension and lower-back firmness
  • Adjustment labels in English and Braille, per Steelcase's page
  • Steelcase and the listing agree on a 400 lb rating

Caveats

  • Listing gives three different overall sizes and no maker dimensions were confirmed
  • Onyx colour and part number are not confirmed by any Steelcase document we read
  • Warranty depends on buying from a seller Steelcase counts as authorised

Check this model on Amazon

Read the full Steelcase Leap Office Chair, Onyx guide

How to choose between them

Choose the Office Star ProGrid 97720-30 High Back Manager's Chair, Coal FreeFlex if your situation matches: Carpeted offices where a seat slider and 3-way arms matter. Its main caveat: Printed warranty is limited to users of 250 lb or less, below the listing's 275 lb.

Choose the Steelcase Leap Office Chair, Onyx if your situation matches: People who want separate upper-back tension and lower-back firmness controls. Its main caveat: Listing gives three different overall sizes and no maker dimensions were confirmed.

Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.

Primary sources

  1. Office Star 97720 ProGrid High Back Chair spec sheet (maker PDF) Source for Office Star ProGrid 97720-30 High Back Manager's Chair, Coal FreeFlex
  2. Office Star 97720 / 97728 Manager's Chair instructions and limited warranty (maker PDF on the listing) Source for Office Star ProGrid 97720-30 High Back Manager's Chair, Coal FreeFlex
  3. Steelcase Leap product page Source for Steelcase Leap Office Chair, Onyx
  4. Steelcase Leap hang tag with adjustment instructions, part 93-9546202 (maker PDF on the listing) Source for Steelcase Leap Office Chair, Onyx
  5. Steelcase Limited Lifetime Warranty for the Americas, updated June 2026 Source for Steelcase Leap Office Chair, Onyx
  6. Steelcase store FAQs, including the consumer warranty answer Source for Steelcase Leap Office Chair, Onyx

Primary sources checked .