01
Single
200 × 100 × approx. 12 cm
6 kg
150th Anniversary Limited Edition · New for 2026 · all orders dispatched from May 2026 onward receive the renewed edition.
SORA Detail
A fuller expression of Japanese floor sleep.
150th Anniversary Limited Edition · New for 2026
A rare, generously lofted take on the traditional Japanese shikibuton, with approx. 12 cm of loft, a 50% premium wool blend, and a balanced medium feel. All orders dispatched from May 2026 onward receive the renewed 2026 edition.
Approx. 12 cm
Overall loft
Balanced medium
Feel
50% premium wool blend
Filling
Flagship proportions
Settle into more.
The flagship SORA profile is defined by approx. 12 cm of loft, a 50% premium wool blend, and a balanced medium feel.
Two sizes
One flagship build.
Both sizes share the same approx. 12 cm loft, 50% premium wool blend, and balanced medium feel.
02
Double
200 × 140 × approx. 12 cm
8 kg
SORA structure
The proportions behind the flagship.
These defining specifications give SORA its fuller scale and distinguish it within the OFUTON KOBO range.
Approx. 12 cm
SORA's complete profile reaches approximately 12 cm.
Balanced medium feel
Fuller cushioning meets a steady surface made for regular folding.
50% premium wool blend
The renewed filling combines premium wool and polyester fiber in equal proportions.
SORA in detail
See the fuller profile.
A closer view of the flagship SORA form and its substantial 12 cm loft.
Specifications
SORA at a glance.
- Edition
- 150th Anniversary Limited Edition · New for 2026
- Single
- 200 × 100 × approx. 12 cm · 6 kg
- Double
- 200 × 140 × approx. 12 cm · 8 kg
- Feel
- Balanced medium
- Filling
- 50% premium wool · 50% polyester fiber
Questions
SORA essentials.
What defines SORA?
SORA is OFUTON KOBO's fuller flagship shikibuton, with approx. 12 cm of overall loft, a 50% premium wool blend, and a balanced medium feel.
What sizes are available?
Single measures 200 × 100 × approx. 12 cm and weighs 6 kg. Double measures 200 × 140 × approx. 12 cm and weighs 8 kg.
What creates SORA's fuller profile?
SORA combines approx. 12 cm of loft with a 50% premium wool blend and a balanced medium feel.
Which edition will I receive?
Every SORA order dispatched from May 2026 onward receives the renewed 2026 edition with warm-ivory fabric and gray piping around all four edges.
SORA · Flagship
Choose the fuller SORA profile.
Select Single or Double on the SORA product page.