Sidiz T80 vs Wilkhahn AT
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- T80 work-tech chair – SIDIZ (SIDIZ official store, Korea) ↗Checked Sep 29, 2026
- Wilkhahn AT / AT Mesh digital brochure (EN) ↗Checked Sep 29, 2026
- Wilkhahn Guarantee Policy (publication date January 1, 2024) ↗Checked Sep 29, 2026
- Wilkhahn Online Shop (Germany) (price) ↗Checked Sep 29, 2026
Sidiz T80Wilkhahn AT
- Price
- ₩689,000 – ₩859,000From €831
- Load capacity
- Maximum load 125 kg (≈ 276 lb)45–140 kg (99–309 lb)
- Recline
- Multi-limited tilt (limits backrest recline angle), tilt tension adjustmentSeat tilt 12°, backrest up to 26°; optional 3D forward tilt up to 5°; sideways tilt up to 12°
- Arms
- 3D adjustable armrests (height, front-back position, left-right angle)Optional armrests: 1D height-adjustable by 100 mm in ten positions; 3D adds 50 mm depth and 25 mm width; 4D also pivots 25°
- Headrest
- Headrest height / angle adjustmentOptional upholstered headrest, height-adjustable by 6 cm in 6 positions, depth adjustable up to 5 cm; adds 15 to 25 cm to total height
- Lumbar support
- Lumbar support height adjustmentHeight-adjustable lumbar support, ten lockable positions, up to 60 mm; Optional lumbar support, height-adjustable by 6 cm in six positions, optional depth adjustment up to 1.5 cm
- Warranty
- 15-year quality warranty (for customers who register the product)5 years (star bases, seat and backrest frames and shells, mechanisms); 2 years (gas lifts, casters, glides, armrest function, fabrics, upholstery)
Questions
Which has a headrest?
Both: the Sidiz T80 as standard and the Wilkhahn AT as an option.
What do owners mention most?
Comfort for the Sidiz T80, and back support for the Wilkhahn AT, 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.
- Wilkhahn AT vs Herman Miller Aeron Load capacity: 45–140 kg on Wilkhahn AT; 300 / 350 / 400 lb on Herman Miller Aeron.


