Widely known as the originator of performance apparel, Under Armour was founded in 1996 from the idea to produce the perfect T-shirt. Established by Kevin Plank, the active lifestyle brand's mission is to support athletes through passion, all-season designs and the pursuit of innovation. Men's Under Armour jackets sit close to the body for a superb fit. Stretch panels crafted from durable fabrics deliver essential breathability, while innovative technology maintains body temperature and dryness. Choose from insulated vests, zip fleeces and brightly colored jackets.