adidas Originals Firebird Loose Track Pants. The Firebird Loose Track Pants put a modern spin on a classic. From the Adicolor Sport collection, these track bottoms feature the iconic 3-Stripes and a timeless sports-inspired style. Cut to a loose fit, they offer a relaxed, comfortable feel—easy to throw on for casual occasions. Crafted from soft tricot fabric, they drape stylishly while feeling gentle against the skin. The mid-rise design flatters the waist, and the roomy silhouette allows for effortless movement. Whether you're lounging at home or heading out, these pants keep you looking cool with minimal effort. Blending adidas heritage with contemporary style, these track bottoms embody the Originals spirit, letting you make a statement with every step. 100% Recycled Polyester. Machine wash. Imported.