46% nylon 42% poly 12% spandex. Stretch fit. Back cut-outs. CHIR-WM36. LG3 40503. CHICHI (pronounced she-she) ACTIVE is a line of activewear based out of Southern California, focusing on versatile pieces that can be incorporated into your everyday lifestyle. With a standard belief that simplicity is key, fit is everything, timeless over trendy, CHIMCHI's styles take you effortlessly from the gym to the street polished and put together.