Abstract: Heat-sterilizable blanket which has good thermal insulation properties, which is particularly suitable for use in hospitals, old people's homes and hostel institutions, and which comprises a regularly interlaced double cloth into which a wadding pick is additionally incorporated in piquelike fashion and floats over wide stretches. The upper and lower warps and upper and lower wefts of this blanket comprise plain-woven high-twist cellulosic fiber yarns, while the wadding pick is made of a low-twist synthetic fiber yarn having a linear density of 100-1,000 tex. The blanket is shrunk to its final dimensions by washing and drying at temperatures of 100.degree. to 135.degree. C., which at the same time bulks up the blanket and increases its pore volume.