Officially launching January 15, adidas and Stella McCartney are expanding their partnership and introducing StellaSport, a junior-focused fitness line with the sleek aesthetic you’ve come to know from Stella. Think the Selena Gomez-approved NEO line meets adidas by Stella McCartney, to be exact. The brand promises the usual intention of mixing gym-to-street styles for an effortless transition throughout your day and also lists “self-lacing” sneakers (!) in its mix. Peek the look book below.