Puma Run Ultraspun Vest Meet Puma's best-in-class running technology vest. This vest is packed with technology that will help you perform at your peak, like the new ULTRASPUN fabric that's feather-light, ventilated, and has anti-chafing properties. Puma's signature dryCELL technology has been incorporated into the Run Ultraspun Vest to provide exceptional moisture-wicking properties and optimum breathability as you strive for the best results and performance. dryCELL works by actively and efficiently eradicating the build-up of excess sweat and moisture to leave you feeling cool and composed as you train. Additionally, ULTRASPUN also resides in the vest to encourage cool air to circulate, creating a drier, healthier environment for your skin to thrive whilst remaining lightweight. THERMOADAPT technology features thermo-regulation properties to help regulate body temperature so you remain cool and focused on the road ahead. Bonded armholes help to reduce friction and irrit