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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 #3Urethane pillow with height-adjusting sheets (lattice surface, gel layer inside)
Best for padding the neck, the back of the head and each side separately
2.95★★★☆☆Spec Score (out of 5)
See on Amazon¥28,600See on Rakuten¥33,800Price as of 2026-09-25 · affiliate link · Opens the shop's site
Washing details (only the cover is washable, not the body) are not on the Nishikawa official page, so they come from a Rakuten Ichiba retail page for the same model (EPV2689500). A human recheck is advisable.
Score Breakdown
Specs
| Size | 63 × 38 × 13 cm (high) / 63 × 38 × 11 cm (low) |
|---|---|
| Cover / fill | Cover: 100% polyester / Fill: urethane foam, urethane resin |
| Structure | Surface of urethane of differing hardness woven in a lattice (hybrid mesh); a gel layer in the middle |
| How height adjusts | 2 cm and 1 cm urethane adjusting sheets: up to 3 cm in 1 cm steps. The 2 cm sheet splits into four (neck, back of head, both sides) |
| Washing (retail-page statement) | Cover only is washable; the body is not (Rakuten Ichiba, 14promo shop) |
| Spare cover | Sold separately, ¥4,400 (official) |
| Pattern no. | AI5010 |
| Made in | Cover: Japan / fill (gel urethane foam): China / surface urethane foam and foam underlay: Japan |
🙂 Good points
- Up to 3 cm in 1 cm steps, and the 2 cm sheet splits into four so neck, back of head and both sides adjust separately
- At 63 cm wide, the widest of the four (equal to Emma)
- A lattice surface and an inner gel layer, which the maker cites for airflow and limiting heat build-up
🙁 Things to note
- At the time of listing (2026-09-25) the official price is ¥28,600, the highest of the four
- Only the cover is washable and the body is not (per a retail page)
Sources
Nishikawa official online shop product page ／ Rakuten Ichiba [retail page] (washing statement)
Scores are calculated only from specs published on official and retail pages.