Take flight in our Ultraweave line of athletic staples, the Puma Men's Run Ultraweave FSTR Jacket features advanced technology engineered for the distance runner so you can focus on the horizon. Our Ultraweave technology takes its name from its ultra-light 4-way stretch fabric made to enhance and support movement from your first mile to your last. Our Ultraweave S FSTR Running Jacket has what it takes to propel you further, faster, with our Ultraweave and dryCELL technology to keep you at the peak of performance and comfort longer.