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About the scoresThe scores are calculated mechanically by applying the criteria table at the end of the page to figures published on the manufacturers' official pages and manuals (and on retail or comparison pages where an official figure was not available). We call it the "Spec Score".
Spec Score #2Pocket coil + high-resilience urethane
Best for balancing sleep feel and durability between coils and foam
3.65★★★★☆Spec Score (out of 5)
See on Amazon¥19,900See on Rakuten¥19,900Price as of 2026-09-17 · affiliate link · Opens the shop's site
We could not open the Novilla site (access denied / certificate error), so the figures for this product come from the Rakuten Ichiba shop page for the same model number, N-M02074. Firmness is given in words ("slightly firm"), not as an N figure.
Score Breakdown
Specs
| Type | Pocket coil + high-resilience urethane (bamboo charcoal) |
|---|---|
| Size | Single 97 × 195 × 26 cm |
| Thickness | 26 cm |
| Coil count | Single 406 (semi-double 493 / double 580 / queen 667) |
| Coil wire | 2.0 mm (as stated in the product name) |
| Firmness | Slightly firm (in words) |
| Weight | Single 22 kg |
| Warranty | 10-year warranty (per the page) |
| Trial period | 100-day trial (per the page) |
| Extras | Antibacterial and deodorizing, bamboo charcoal, quiet (per the page) |
🙂 Good points
- At 26 cm, the thickest of the four
- A 10-year warranty and a 100-day trial period
- 406 pocket coils (single); bamboo charcoal, with antibacterial and deodorizing claims
🙁 Things to note
- Figures rest on the Rakuten shop page, not on a maker site
- Firmness is given in words ("slightly firm"), not as an N figure
Sources
Rakuten Ichiba [retail page, model N-M02074]
Scores are calculated only from specs published on official and retail pages.