A futon is a traditional Japanese style of bedding.
Japanese-style futons laid out for sleeping in a ryokan (inn). In green, three shikibutons per bed; in red, turned-back kakebutons. The top two futons in each stack are covered in white fitted sheets, matching the pillowslips.
Sleeping on tatami, with no futon, and clothes used as coverings. Early 14th century
Child's shikibuton, late 1800s. Boroboro (patchwork) held together with over-all quilting stitching; see sashiko.
A warm winter yogi, front
A mattress protector is an item of removable bedding that sits on top of, or encases, a mattress to protect it. Some mattress protectors also provide protection to the person sleeping on the mattress
A mattress protector with elastic on top of a bed base