Dynafit ULTRA PRO 15 BACKPACK First posted on RunUltra on 08-May-19 By Seth G After my first run in this vest I told my wife, “I can just get rid of my other running vests I have accumulated over the years. I won’t be needing them any more.” Dynafit has created a go-to vest for … Continue reading Dynafit ULTRA PRO 15 BACKPACK Review