Itoki ACT2 vs Herman Miller Sayl
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
21.2 lb
lighter: Itoki ACT2 weighs less than Herman Miller Sayl (official specs)
Differences at a glance
Sources
- ITOKI Product Catalog: Act2 KJ-457JE-GNB4 ↗Checked Sep 29, 2026
- Sayl Chairs product sheet (PDF, © 2019 Herman Miller) ↗Checked Sep 26, 2026
- ITOKI Product Catalog: Act2 functions and features ↗Checked Sep 29, 2026
- ITOKI quality warranty ↗Checked Sep 29, 2026
- ITOKI (Japan) (price) ↗Checked Sep 25, 2026
- US Herman Miller Store (price) ↗Checked Oct 11, 2026
Itoki ACT2Herman Miller Sayl
- Price
- ¥132,240$935 – $1,580
- Seat height
- 450–565 mm (17.7-22.2 in)16–20.5 in standard; 15–19 in low; 16.5–22 in extended
- Recline
- 20°Harmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optional
- Arms
- Adjustable arms (4D link arms): height, depth, rotation angleOptions: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms
- Lumbar support
- Pelvis & lumbar support: 60 mm, 7 stepsPostureFit Sacral Support Standard; Lumbar Support Optional
- Warranty
- Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)12-year, 3-shift
What users mention
From 6 Itoki ACT2 and 23 Herman Miller Sayl user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Itoki ACT24 mentionsHerman Miller Sayl22 mentionsDesign
Itoki ACT28 mentionsHerman Miller Sayl14 mentionsPrice and value
Itoki ACT22 mentionsHerman Miller Sayl19 mentionsBack support
Itoki ACT26 mentionsHerman Miller Sayl14 mentionsBuild quality
Itoki ACT24 mentionsHerman Miller Sayl14 mentionsAdjustability
Itoki ACT25 mentionsHerman Miller Sayl10 mentions
Questions
What do owners mention most?
Design for the Itoki ACT2, and comfort for the Herman Miller Sayl, based on review summaries.
Swap in a similar chair
Compare Itoki ACT2 with
Compare Herman Miller Sayl with
More comparisons
- Itoki ACT2 vs Herman Miller Aeron The Itoki ACT2 encourages active sitting, while the Herman Miller Aeron offers iconic mesh ventilation.
- Itoki ACT2 vs Steelcase Gesture The Japanese ACT2 and American Gesture differ sharply on durability reports and value.
- Herman Miller Sayl vs Steelcase Gesture Load capacity: 350 lb on Herman Miller Sayl; 400 lb on Steelcase Gesture.
- Herman Miller Sayl vs Steelcase Leap V2 Load capacity: 350 lb on Herman Miller Sayl; 400 lb on Steelcase Leap V2.
- Herman Miller Sayl vs Sidiz T50 Herman Miller Sayl lists at $935 – $1,580; Sidiz T50 at $394 (official stores).
- Herman Miller Sayl vs Autonomous ErgoChair Pro Load capacity: 350 lb on Herman Miller Sayl; 300 lb on Autonomous ErgoChair Pro.


