Herman Miller Cosm Low Back vs Okamura Sylphy
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Cosm Specs - Herman Miller ↗Checked Sep 29, 2026
- Sylphy | Office | Product information | Okamura Corporation ↗Checked Sep 29, 2026
- Okamura office seating safety and warranty periods (updated Jan 28, 2026) ↗Checked Sep 29, 2026
- US Herman Miller Store (price) ↗Checked Oct 11, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
Herman Miller Cosm Low BackOkamura Sylphy
- Price
- $1,345 – $1,820From ¥106,040
- Arms
- Leaf Arms; Height-Adjustable Arms; Fixed Arms; No Arms; Arm Height: 7.3–11.7"Adjustable arms: 100 mm height; arm pad 50 mm front-back, 20° inward, 20° outward
- Warranty
- 12-year, 3-shift warranty, with limited exceptionsStructure 8 years (purchases from Jan 5, 2021); mechanisms and moving parts 2 years; exterior and surface finish 1 year
What users mention
From 3 Herman Miller Cosm Low Back and 2 Okamura Sylphy user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Herman Miller Cosm Low Back7 mentionsOkamura Sylphy4 mentionsRecline and tilt
Herman Miller Cosm Low Back9 mentionsOkamura Sylphy0 mentionsPrice and value
Herman Miller Cosm Low Back5 mentionsOkamura Sylphy4 mentionsAdjustability
Herman Miller Cosm Low Back5 mentionsOkamura Sylphy2 mentionsDesign
Herman Miller Cosm Low Back5 mentionsOkamura Sylphy2 mentionsSize and fit
Herman Miller Cosm Low Back6 mentionsOkamura Sylphy0 mentions
Questions
What do owners mention most?
Recline and tilt for the Herman Miller Cosm Low Back, and comfort for the Okamura Sylphy, based on review summaries.
Herman Miller Cosm Low Back: specs, reviews, where to buy →Okamura Sylphy: specs, reviews, where to buy →
Swap in a similar chair
Compare Herman Miller Cosm Low Back with
Compare Okamura Sylphy with
More comparisons
- Herman Miller Cosm Low Back vs Steelcase Gesture Arms: Leaf Arms on Herman Miller Cosm Low Back; Width 10.25–22.5 in between arms on Steelcase Gesture.
- Herman Miller Cosm Low Back vs Herman Miller Aeron Arms: Leaf Arms on Herman Miller Cosm Low Back; Arm height 7.5–11.5 in on Herman Miller Aeron.
- 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.