Adidas by Stella McCartney Active Orange Treino Lace Up Sneakers. If you're looking for a shoe that can keep up with multi-purpose training and your day-to-day, the Adidas by Stella McCartney Treino might very well be it. These shoes give you the advantage of the BOOST energy return with extra support. Thanks to the rubber outsole & extra support around the heel, these shoes are your perfect companion for any dance or HIIT class. And they even have the looks to go with whatever meeting you have next.Pre-owned condition. Size 7.