Kokuyo Ing vs FlexiSpot Soutien Ergonomic Office Chair (C5)
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
VS

FlexiSpot
FlexiSpot Soutien Ergonomic Office Chair (C5)
$249.99 – $279.99
7.6 lb
lighter: FlexiSpot Soutien Ergonomic Office Chair (C5) weighs less than Kokuyo Ing (official specs)
Differences at a glance
Sources
- KOKUYO ing instruction manual (8. Specifications) ↗Checked Sep 29, 2026
- Soutien Ergonomic Office Chair C5 | Flexispot ↗Checked Oct 17, 2026
- KOKUYO Workstyle Shop – ing, cushion type, lateral type, adjustable arms ↗Checked Sep 29, 2026
- KOKUYO quality warranty for office furniture ↗Checked Sep 29, 2026
- KOKUYO Workstyle Shop (Japan) (price) ↗Checked Sep 25, 2026
Kokuyo IngFlexiSpot Soutien Ergonomic Office Chair (C5)
- Price
- ¥119,790 – ¥183,150$249.99 – $279.99
- Seat height
- 425–515 mm (16.7–20.3 in)17.9–20.9 in
- Seat depth
- 455 mm (17.9 in)18.7 in
- Recline
- Gliding mechanism (back and seat move 360° front-back and side to side); front free tilt95–115°
- Arms
- Arm height adjusts in 11 steps with a button; armrest rotates 60° inward (2 steps)2D
- Headrest
- With-headrest type (tall back)2D
- Warranty
- Structure 10 years (purchases from Jan 1, 2023); mechanisms and moving parts 2 years; exterior and surface finish 1 year5 years
Questions
Which has a headrest?
Both: the Kokuyo Ing as standard and the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard.
Kokuyo Ing: specs, reviews, where to buy →FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →


