Synthetic fiber sleeping bag & Fleece sleeping bag
The synthetic fiber has better moisture resistance and the wet sleeping bag can still maintain warmth, quick-drying, low price, but slightly heavier than the down sleeping bag of the same level, it is not easy to squeeze and fill, take up the space of the backpack, and have a short service life. Synthetic fiber There are two different types of fibers.
①Long fiber: There are many products of this kind of fiber, and the sewing method is like the overlapping wave type of asbestos tile roof, covering cold places.
②Short fiber: The sewing method is double-layer or three-layer, such as thin cotton cloth. There must be a gasket beside the zipper to avoid heat dissipation. The types of fibers include Hollofil: low-priced polyester products, which are divided into two systems, one is Hollofil II fiber, which has improved fiber smoothness, elasticity and folding, and the other is Hollofil 808 to improve smoothness.
Fleece sleeping bag. It is sewn with fleece and can be used as a summer sleeping bag or hygienic sleeping bag alone. It can also be used with other sleeping bags in winter to enhance the warmth retention effect. According to time experience, a -3 degree sleeping bag, after adding a fleece sleeping bag, can keep warm up to about -10 degrees.