очень теплый белый гусь вниз заполненного взрослых мумия стиль спальный мешок, пригодный для зимних термальные 4 видов толщины кемпинг путеш

brand name:black snow (a well-known brand of camping sleeping bags, the quality is very good.) white goose down filling material, comfortable and keep warm.down is fluffy, sleeping bag is light, but its warm. down is very soft and light. there is a small gap between down and down, which causes the air convection in the sleeping bag to be bad. it can form a layer of insulation layer which is isolated from the outside, so that the outside cold air is not easy to reach the inside, and the inside