Okamura Sylphy vs SIHOO M18
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
- Sihoo M18 Ergonomic Office Chair – Official US Sihoo Store ↗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
Okamura SylphySIHOO M18
- Price
- From ¥106,040$289.99 – $299.99
- Recline
- Back-seat synchro recline with forward tilt: 23° upright to reclined, 10° upright to forward; locks in 4 positionsMaximum 126° recline angle
- Arms
- Adjustable arms: 100 mm height; arm pad 50 mm front-back, 20° inward, 20° outwardAdjustable armrests (Up and down)
- Headrest
- Adjustable headrest: 100 mm height, 35° angleHeadrest moves 3.9" up and down and pivots 45°
- Lumbar support
- Lumbar support (mesh back): height adjusts over 60 mmLumbar support adjusts vertically and horizontally
- Warranty
- Structure 8 years (purchases from Jan 5, 2021); mechanisms and moving parts 2 years; exterior and surface finish 1 year3 years
What users mention
From 2 Okamura Sylphy and 5 SIHOO M18 user reviews, most mentioned first. Green is liked, orange is a caution.
Price and value
Okamura Sylphy4 mentionsSIHOO M1813 mentionsAdjustability
Okamura Sylphy2 mentionsSIHOO M1810 mentionsComfort
Okamura Sylphy4 mentionsSIHOO M187 mentionsBuild quality
Okamura Sylphy3 mentionsSIHOO M187 mentionsBack support
Okamura Sylphy2 mentionsSIHOO M187 mentionsBreathability
Okamura Sylphy1 mentionSIHOO M187 mentions
Questions
Which has a headrest?
Both: the Okamura Sylphy as standard and the SIHOO M18 as standard.
What do owners mention most?
Comfort for the Okamura Sylphy, and price and value for the SIHOO M18, based on review summaries.
Swap in a similar chair
Compare Okamura Sylphy 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.
- SIHOO M18 vs Herman Miller Aeron Arms: Adjustable armrests on SIHOO M18; Arm height 7.5–11.5 in on Herman Miller Aeron.
- SIHOO M18 vs Ticova Ergonomic Office Chair Ticova and SIHOO M18 both offer mesh backs and cushioned seats.
- SIHOO M18 vs Branch Ergonomic Chair Arms: Adjustable armrests on SIHOO M18; 3D removable armrests on Branch Ergonomic Chair.
- SIHOO M18 vs FlexiSpot OC3 Arms: Adjustable armrests on SIHOO M18; 2D on FlexiSpot OC3.





