cold region free, which means that, due to a special arrangement of the stitching is it impossible for the padding to slip completely in just one corner. Attachable with 2nd sleeping bag, weight: 1800 Gramm, size: 190 x 75 cm, head section: 30 x 40 cm, packing size: length 40 cm, diameter: 25 cm outer shell: 100 % Polyester, inside material: 100 % cotton, filling: 2 x 200 g/m² Hollow Fiber/Poly