Lightweight sleeping bag, with a minimum volume after packing, designed for summer stays in nature, filling with siliconized hollow fiber Izotherm Classic, singlelayer construction, anatomical cut, semiopen shaped hood, onehand adjustable hood tightening, inner collar with regulation, twoway zipper covered with a flap, reinforced zipper flap against snagging, zipper lock against spontaneous opening, loops for hanging, inner pocket, pillow pocket in the hood, rollup compression wrap