Extra soft. The heated underblanket with an extra warm foot area and four temperature settings provides cozy warmth in your bed. Features include an extra soft surface, an extra warm foot area, an innovative LED button controller, breathability, four temperature settings, a Beurer Safety System (BSS), automatic shut-off after about 12 hours, automatic reduction from levels four and three to level two after three hours, illuminated temperature settings, a detachable switch, a top made of fleece fiber, and a fleece underside. It is machine washable at 30°C and certified according to OEKO-TEX 100.