*RUNS SLIGHTLY SMALL - Note important sizing detail below. Whether you're going out for the evening, heading to the gym, or setting out on an outdoor adventure– The Ayden Lifestyle Puffer Jacket is the most versatile jacket to have on hand in your wardrobe. Pairs perfectly with upscale casual outfits all the way to active wear looks. Finally, an all-season puffer that is lightweight, sophisticated(yet minimal), all while flattering an athletic, muscular body type. SLIM fit.