Sidiz T80 vs Itoki Vertebra 03
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
25.5 lb
lighter: Itoki Vertebra 03 weighs less than Sidiz T80 (official specs)
Differences at a glance
Sources
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- ITOKI Product Catalog: vertebra03 functions and features ↗Checked Sep 29, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- ITOKI Product Catalog (Japan) (price) ↗Checked Sep 29, 2026
Sidiz T80Itoki Vertebra 03
- Price
- ₩689,000 – ₩859,000¥119,350
- Recline
- Multi-limited tilt (limits backrest recline angle), tilt tension adjustmentSeat slides forward and tilts up to 10° pivoting at the arms, then a further 15°
- Warranty
- 15-year quality warranty (for customers who register the product)Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)
What users mention
From 3 Sidiz T80 and 1 Itoki Vertebra 03 user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Sidiz T804 mentionsItoki Vertebra 031 mentionDesign
Sidiz T802 mentionsItoki Vertebra 033 mentionsAdjustability
Sidiz T803 mentionsItoki Vertebra 031 mentionBack support
Sidiz T802 mentionsItoki Vertebra 031 mentionSeat
Sidiz T801 mentionItoki Vertebra 032 mentionsArmrests
Sidiz T802 mentionsItoki Vertebra 030 mentions
Questions
What do owners mention most?
Comfort for the Sidiz T80, and design for the Itoki Vertebra 03, based on review summaries.
Swap in a similar chair
Compare Sidiz T80 with
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.
- Itoki Vertebra 03 vs Herman Miller Aeron The Aeron brings 12-year warranty and proven resale value; the Vertebra 03 counters with dynamic posture tech and minimalist appeal.



