ClusterLoft synthetic fiber cluster thermal filling material, down feather alternatives.

ClusterLoft high thermal filling material is made by polyester fiber that is mainly used for jacket, duvet and vest, sleeping bags etc.
The performance is as good as down feather of 80/20% white duck down.
It's 665FP fluffy, light as down, warm like down.washable and compressible.
ClusterLoft thermal filling material remains dry even in humidity weather, it doesn't absorb water, but stay dry and quick dry. It needs regular sun dry in a short time. It's more suitable for outdoor actives.
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