We have a sleeping bag sent back because us has stoffqualitat unconvinced. The two-piece cloth is made of cotton, but not cuddly soft but rather rough and coarse material from her. We then bought the teddy sleeping bag, which is made of soft knit fabric, and although summer thin nice and comfortable. Otherwise, really great. Größenverstellbar nd good arm and head openings. Good alternative to the expensive brand impact sacks. We use it in the summer as in winter with blanket.