Energy Storage Thermostatic Cotton

Polypropylene long fiber.
The product utilizes the thermal insulation and temperature-regulating performance of "microcapsules". Its thermal insulation, breathability and comfort are much greater than ordinary down, and the price is only 1/5 of ordinary down. It is low-priced and can be used for thermal underwear, sportswear, down jackets, and military thermal insulation clothing. , tents and other series of products, large quantities can be negotiated.