The adidas Originals Boucle Firebird Track Trousers show off a classic Tracksuit design with seriously vintage roots, remixed for the cooler season with soft, warming boucle materials. Ideal for your everyday with soft fabrics in a cozy loose fit, complete with versatile pocket zips for your essentials. Performance and comfort is achieved with comfy and environmentally friendly recycled polyester. Ideal for your daily adventures or relaxing at home, all in signature three-stripe style.