What is a shikibuton?

What does the word shikibuton mean?

In Japanese bedding, shikibuton means the lower futon layer: the mat placed under the body. In English it is also written as shikifuton or shiki futon. The spellings vary, but they refer to the same floor-sleeping bedding used in Japanese homes.

Outside Japan, futon often means a sofa bed. A Japanese shikibuton is different. It is bedding for sleep, made to rest on a firm surface, then lifted and aired so moisture does not stay trapped underneath.

How is it used in a Japanese home?

The daily rhythm is practical. Lay the shikibuton out before sleep. In the morning, lift it from the floor or base, let air reach the underside, then fold or stand it before the room is used again.

That habit is part of why a Japanese room can change by time of day. A washitsu or tatami room can become a sleeping room at night and return to living space in the morning. The bedding is not meant to stay sealed against the floor all day.

This is also the part many customers abroad remember after staying at a ryokan or minshuku. The comfort is not only the mat itself. It is the mat, the firm surface, and the routine of airing and putting the bedding away.

Can it be used without tatami?

Tatami is the traditional base, but it is not the only possible base. A shikibuton needs a firm, level, dry surface. It should not sink into a soft base, and the underside should be checked regularly.

On a wood floor, moisture care matters more because the floor does not absorb and release humidity like tatami. Use a breathable layer such as a moisture-control sheet or ventilated support, and lift the bedding after sleep.

A firm platform or low frame can also work when it supports the full size evenly and allows airflow. Check that the base stays firm, dry, and open enough for the bedding to breathe.

How should a shikibuton be aired?

After sleep, raise the shikibuton so air reaches the underside. Turn it from time to time so both sides dry and normal settling is spread more evenly.

For sun or outdoor airing, choose a dry day and avoid overdoing it. Covering the fabric with a sheet helps protect the surface. Strong beating is not useful for the bedding; remove dust gently instead.

In humid seasons or rooms with little ventilation, use a dehumidifier or moisture-control layer if needed. Still lift the shikibuton after sleep so the underside can dry.

The shikibuton itself is not machine washable; use a fitted sheet and wash the sheet.

How do HIMARI and SORA fit this routine?

HIMARI is the Japanese household standard in our current international line. It has about 10 cm of loft, a firm centre core, wool-blend layers on both sides, and 25% wool in the filling. Choose HIMARI when you want the standard thickness used in Japanese homes.

SORA keeps the same basic sleeping idea and adds more depth. It has about 12 cm of loft and a 50% wool blend. We make SORA for customers abroad who want more depth under the shoulders and hips, including side sleepers and people used to a Western mattress.

HIMARI and SORA both fold into thirds for airing and storage. Both are made in Japan in our own workshop in Oyama, Tochigi.

After sleeping on futon bedding in Japan

Many customers first look for a shikibuton after sleeping in a ryokan, onsen inn, minshuku, or tatami room while traveling in Japan. They are not looking for a couch futon. They are trying to find the same kind of bedding used in Japanese rooms.

For that search, the important questions are concrete: Is it made in Japan? How thick is it? How is it shipped? How should it be aired at home?

OFUTON KOBO began as a family cotton shop in Tokyo in 1873. Today we make HIMARI and SORA in our own workshop in Oyama, Tochigi, and send them directly from Japan by Japan Post EMS.