Sidiz T80 vs Humanscale Liberty
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
17.1 lb
lighter: Humanscale Liberty 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
- Liberty Task Chair with Mesh Backrest – Humanscale Shop (US) ↗Checked Sep 26, 2026
- Liberty brochure (PDF, Humanscale, undated) ↗Checked Sep 26, 2026
- Liberty Task Chair configurator (humanscale.com, US region) ↗Checked Sep 26, 2026
Sidiz T80Humanscale Liberty
- Price
- ₩689,000 – ₩859,000$1,613 – $2,326
- Load capacity
- Maximum load 125 kg (≈ 276 lb)400 lb (181.4 kg)
- Recline
- Multi-limited tilt (limits backrest recline angle), tilt tension adjustmentSelf-Adjusting Recline: no tension springs, no recline locks
- Arms
- 3D adjustable armrests (height, front-back position, left-right angle)Options: Fixed Duron Arms, Adjustable Duron Arms, Advanced Duron Arms, Armless, Fixed Duron Gel Arms
- Lumbar support
- Lumbar support height adjustmentSelf-adjusting lumbar support; no external lumbar devices
- Warranty
- 15-year quality warranty (for customers who register the product)15 Years; Fabric/Cushions/Arm Pads/Casters: 5 Years
What users mention
From 3 Sidiz T80 and 7 Humanscale Liberty user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Sidiz T804 mentionsHumanscale Liberty9 mentionsDesign
Sidiz T802 mentionsHumanscale Liberty6 mentionsAdjustability
Sidiz T803 mentionsHumanscale Liberty4 mentionsBreathability
Sidiz T801 mentionHumanscale Liberty6 mentionsSeat
Sidiz T801 mentionHumanscale Liberty6 mentionsBack support
Sidiz T802 mentionsHumanscale Liberty4 mentions
Questions
What do owners mention most?
Comfort for the Sidiz T80, and comfort for the Humanscale Liberty, based on review summaries.
Swap in a similar chair
Compare Sidiz T80 with
Compare Humanscale Liberty 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.
- Humanscale Liberty vs Herman Miller Aeron Load capacity: 400 lb on Humanscale Liberty; 300 / 350 / 400 lb on Herman Miller Aeron.
- Humanscale Liberty vs Steelcase Gesture Humanscale Liberty lists at $1,613 – $2,326; Steelcase Gesture at $1,599 – $2,560 (official stores).
- Humanscale Liberty vs Steelcase Leap V2 Humanscale Liberty lists at $1,613 – $2,326; Steelcase Leap V2 at $1,499 – $2,667 (official stores).


