This 310g/m² stretch knit interlayer air cotton spacer fabric is made of 92% polyester and 8% spandex, with a width of 64/65". The main process includes "polyester stretch + interlayer air cotton spacer," item number #24090018.The fabric is smooth, soft, and highly elastic. Its interlayer air cotton structure provides excellent moisture absorption, superior insulation, and windproof, breathable properties, making it wrinkle-resistant. Commonly used for outdoor sportswear, hiking jackets, and shell jackets.