SORA 150th Anniversary Limited Edition laid flat, showing the ivory quilted surface, gray piping, and generous approx. 12 cm loft

150th Anniversary Limited Edition · New for 2026 · all orders dispatched from May 2026 onward receive the renewed edition.

SORA 宙 | Flagship Japanese Shikibuton

₩647,000 KRW
₩647,000 KRW
Taxes included. Shipping calculated at checkout.
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.
Size

99 in stock

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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.

Choose SORA →
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.

01

Single

200 × 100 × approx. 12 cm

6 kg

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.

01 · Overall loft

Approx. 12 cm

SORA's complete profile reaches approximately 12 cm.

02 · Feel

Balanced medium feel

Fuller cushioning meets a steady surface made for regular folding.

03 · Filling

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.

SORA 150th Anniversary Limited Edition laid flat, showing the ivory quilted surface, gray piping, and generous approx. 12 cm loft
SORA 150th Anniversary Limited Edition folded in three, showing its generous loft and calm gray piping
SORA 150th Anniversary Limited Edition flexed into a wave, showing approx. 12 cm loft and foldable construction
SORA flagship Japanese shikibuton laid out at full scale in a bright room

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.

Choose SORA →