Okamura Sylphy vs Herman Miller Cosm High Back
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Sylphy | Office | Product information | Okamura Corporation ↗Checked Sep 29, 2026
- Cosm Specs - Herman Miller ↗Checked Sep 29, 2026
- Okamura office seating safety and warranty periods (updated Jan 28, 2026) ↗Checked Sep 29, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
- US Herman Miller Store (price) ↗Checked Oct 11, 2026
Okamura SylphyHerman Miller Cosm High Back
- Price
- From ¥106,040$1,925 – $2,400
- Arms
- Adjustable arms: 100 mm height; arm pad 50 mm front-back, 20° inward, 20° outwardLeaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"
- Warranty
- Structure 8 years (purchases from Jan 5, 2021); mechanisms and moving parts 2 years; exterior and surface finish 1 year12-year, 3-shift warranty, with limited exceptions
What users mention
From 2 Okamura Sylphy and 33 Herman Miller Cosm High Back user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Okamura Sylphy4 mentionsHerman Miller Cosm High Back31 mentionsAdjustability
Okamura Sylphy2 mentionsHerman Miller Cosm High Back31 mentionsDesign
Okamura Sylphy2 mentionsHerman Miller Cosm High Back23 mentionsRecline and tilt
Okamura Sylphy0 mentionsHerman Miller Cosm High Back19 mentionsPrice and value
Okamura Sylphy4 mentionsHerman Miller Cosm High Back11 mentionsBuild quality
Okamura Sylphy3 mentionsHerman Miller Cosm High Back12 mentions
Questions
What do owners mention most?
Comfort for the Okamura Sylphy, and comfort for the Herman Miller Cosm High Back, based on review summaries.
Okamura Sylphy: specs, reviews, where to buy →Herman Miller Cosm High Back: specs, reviews, where to buy →
Swap in a similar chair
Compare Okamura Sylphy with
Compare Herman Miller Cosm High Back with
More comparisons
- Okamura Sylphy vs Herman Miller Aeron Arms: Adjustable arms: 100 mm height on Okamura Sylphy; Arm height 7.5–11.5 in on Herman Miller Aeron.
- Okamura Sylphy vs Steelcase Gesture Arms: Adjustable arms: 100 mm height on Okamura Sylphy; Width 10.25–22.5 in between arms on Steelcase Gesture.
- Herman Miller Cosm High Back vs Steelcase Gesture Arms: Leaf Arms on Herman Miller Cosm High Back; Width 10.25–22.5 in between arms on Steelcase Gesture.
- Herman Miller Cosm High Back vs Okamura Contessa II Arms: Leaf Arms on Herman Miller Cosm High Back; 4D arm or fixed arm on Okamura Contessa II.
- Herman Miller Cosm High Back vs Steelcase Leap V2 Load capacity: 350 lb on Herman Miller Cosm High Back; 400 lb on Steelcase Leap V2.
- Herman Miller Cosm High Back vs Humanscale Freedom Arms: Leaf Arms on Herman Miller Cosm High Back; 6 in range of vertical motion on Humanscale Freedom.

