Sidiz T80 vs Herman Miller Sayl
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
3 years
longer warranty on Sidiz T80 than Herman Miller Sayl (official terms)
Differences at a glance
Sources
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- Sayl Chairs product sheet (PDF, © 2019 Herman Miller) ↗Checked Sep 26, 2026
- US Herman Miller Store (price) ↗Checked Oct 11, 2026
Sidiz T80Herman Miller Sayl
- Price
- ₩689,000 – ₩859,000$935 – $1,580
- Load capacity
- Maximum load 125 kg (≈ 276 lb)350 lb (159 kg)
- Recline
- Multi-limited tilt (limits backrest recline angle), tilt tension adjustmentHarmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optional
- Arms
- 3D adjustable armrests (height, front-back position, left-right angle)Options: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms
- Lumbar support
- Lumbar support height adjustmentPostureFit Sacral Support Standard; Lumbar Support Optional
- Warranty
- 15-year quality warranty (for customers who register the product)12-year, 3-shift
What users mention
From 3 Sidiz T80 and 23 Herman Miller Sayl user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Sidiz T804 mentionsHerman Miller Sayl22 mentionsPrice and value
Sidiz T800 mentionsHerman Miller Sayl19 mentionsBack support
Sidiz T802 mentionsHerman Miller Sayl14 mentionsDesign
Sidiz T802 mentionsHerman Miller Sayl14 mentionsBuild quality
Sidiz T801 mentionHerman Miller Sayl14 mentionsAdjustability
Sidiz T803 mentionsHerman Miller Sayl10 mentions
Questions
What do owners mention most?
Comfort for the Sidiz T80, and comfort for the Herman Miller Sayl, 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.
- 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.


