This 210g/m² nylon high-stretch double-sided shark skin knit fabric:Made of 76% nylon and 24% spandex, with a weight of 210g/m² and a width of 64/65 inches, it features a "double-sided high-stretch + shark skin" process, item number WK-0015.The fabric is soft, comfortable, highly elastic, and skin-friendly with a natural feel, making it ideal for sportswear, underwear, yoga wear, and fitness apparel.