1.This is a warming liner. Its material is Thermolite. It must be used with a down sleeping bag to be effective.
2. Good elasticity, no restriction.Good ductility reduces grip because it rotates and increases comfort.
3.It can be folded into small size, light and portable, easy to carry.
4. Exquisite workmanship: the edge is covered with plush fabric to prevent it from slipping
5.Since each measurement method is different, the size will have an error of 1-3 cm
6. The difference between them: the black sleeping bag can be heated 5 degrees and the red sleeping bag can be heated 8 degrees for soft and comfortable.
7.Total weight contains the weight of the package.
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