Office Star ProGrid vs SIHOO Doro C300
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Nearly the same price
$580 vs $559.99 starting prices at the brand stores (Office Star ProGrid vs SIHOO Doro C300)
Differences at a glance
Sources
- 92553 ProGrid® Mesh Back Managers Chair spec sheet (Office Star, 08-08-25) ↗Checked Sep 29, 2026
- Doro C300 Ergonomic Office Chair – UK Sihoo official Shop ↗Checked Sep 29, 2026
- Sihoo Doro C300 Advanced Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
- Office Star Products (official MSRP) (price) ↗Checked Sep 29, 2026
Office Star ProGridSIHOO Doro C300
- Price
- $580 – $650$559.99 – $569.99
- Seat height
- 19.5–23 in (50–58 cm)47–55 cm
- Seat depth
- 19.5” D; Seat Travel: 3.75”43.5–46 cm
- Recline
- 2-to-1 synchro tilt control with adjustable tilt tensionRecline Angles: 110°, 120°, 130°
- Arms
- Height adjustable arms; Arms Max Inside: 19”; Arms to Floor Min: 25.25”; Arms to Seat Min: 6.5”4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage)
- Lumbar support
- Breathable ProGrid® back with built-in lumbar support; Ratchet back height adjustmentSelf-adaptive dynamic lumbar support
Questions
Which is cheaper, the Office Star ProGrid or the SIHOO Doro C300?
The SIHOO Doro C300 is cheaper to start: $559.99 versus $580 for the Office Star ProGrid at the brand stores (Sep 2026).
What do owners mention most?
Adjustability for the Office Star ProGrid, and adjustability for the SIHOO Doro C300, based on review summaries.
Swap in a similar chair
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- SIHOO Doro C300 vs Steelcase Series 1 Headrest: 3D Mechanical Headrest on SIHOO Doro C300; Optional headrest on Steelcase Series 1.
- SIHOO Doro C300 vs HBADA E3 Air (2026 Edition) Arms: 4D coordinated armrests on SIHOO Doro C300; Armrest Height: 68.5cm–84cm on HBADA E3 Air (2026 Edition).