Dimension: Weight: about 1.4 kg (B180),Weight: about 1.8 kg(B300),Weight: about 2.2 kg(B400) Size: 220x85cm(B180),Size: 220x85cm(B300),Size: 220x85cm(B400) Packing size: φ20x43cm(B180),φ26x44cm(B300),φ30x46cm(B400) Comfort temperature: 12℃/53.6℉(B180),6℃/42.8℉(B300),1℃/33.8℉(B400) Limit temperature: 5℃/41℉(B180),1℃/33.8℉(B300),-4℃/24.8℉(B400) Maximum temperature: -8 ℃/17.6 ℉(B180),-13 ℃/8.6 ℉(B300),-18 ℃/-0.4 ℉(B400) Unique storage bag shape design, it can be used as a splicing extension bag. Water-resistant coating, which can keep the sleeping bag dry Comfortable pure cotton lining cares for delicate skin; it absorbs sweat and keeps warm without irritation.