Made from a fleece knit, these TrueCasuals joggers from adidas by Stella McCartney feature stretch trims for the perfect fit and optimum comfort. Made from a fleece knit, these TrueCasuals joggers from adidas by Stella McCartney feature stretch trims for the perfect fit and optimum comfort. adidas by Stella McCartney fuses performance sportswear with innovative features, redefining the boundaries of fashion and function.