Sidiz T80 vs SIHOO Doro S300
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
12 years
longer warranty on Sidiz T80 than SIHOO Doro S300 (official terms)
Differences at a glance
Sources
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- Sihoo Doro S300 Zero Gravity Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
- Doro S300 Ergonomic Chair – UK Sihoo official Shop ↗Checked Sep 29, 2026
Sidiz T80SIHOO Doro S300
- Price
- ₩689,000 – ₩859,000$999.99
- Load capacity
- Maximum load 125 kg (≈ 276 lb)330 lb (≈ 150 kg)
- Recline
- Multi-limited tilt (limits backrest recline angle), tilt tension adjustmentRecline Angles: 100°, 110°, 130°
- Arms
- 3D adjustable armrests (height, front-back position, left-right angle)6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
- Headrest
- Headrest height / angle adjustmentSoft, integrated headrest; upper backrest adjusts in 5 levels
- Lumbar support
- Lumbar support height adjustmentDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift
- Warranty
- 15-year quality warranty (for customers who register the product)3 years
What users mention
From 3 Sidiz T80 and 0 SIHOO Doro S300 user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Sidiz T804 mentionsSIHOO Doro S3006 mentionsAdjustability
Sidiz T803 mentionsSIHOO Doro S3006 mentionsArmrests
Sidiz T802 mentionsSIHOO Doro S3006 mentionsBreathability
Sidiz T801 mentionSIHOO Doro S3007 mentionsBack support
Sidiz T802 mentionsSIHOO Doro S3005 mentionsDesign
Sidiz T802 mentionsSIHOO Doro S3005 mentions
Questions
Which has a headrest?
Both: the Sidiz T80 as standard and the SIHOO Doro S300 as standard.
What do owners mention most?
Comfort for the Sidiz T80, and breathability for the SIHOO Doro S300, based on review summaries.
Swap in a similar chair
More comparisons
- Sidiz T80 vs Herman Miller Aeron Headrest: Headrest height / angle adjustment on Sidiz T80; None offered by Herman Miller on Herman Miller Aeron.
- Sidiz T80 vs Steelcase Gesture Headrest: Headrest height / angle adjustment on Sidiz T80; Optional on Steelcase Gesture.
- SIHOO Doro S300 vs LiberNovo Omni Headrest: Soft, integrated headrest on SIHOO Doro S300; 3D Neckrest Adjustment on LiberNovo Omni.
- SIHOO Doro S300 vs Herman Miller Embody Arms: 6D coordinated armrests on SIHOO Doro S300; Fully Adjustable Arms on Herman Miller Embody.
- SIHOO Doro S300 vs Duorest Alpha Load capacity: 330 lb on SIHOO Doro S300; Standard 300 lbs. weight capacity on Duorest Alpha.
- SIHOO Doro S300 vs SIHOO Doro C300 Pro V2 Arms: 6D coordinated armrests on SIHOO Doro S300; 8D Bionic Armrests on SIHOO Doro C300 Pro V2.


