Self: 46% nylon 42% poly 12% spandexContrast: 79% poly 21% spandex. Elasticized waist. Stretch fit. CHIR-WM55. LG3 50104. 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.