The Legits Blast Winter Festival is an independent event sponsored by Silverback Bboy Events and is sanctioned by UDEF | Urban Dance & Educational Foundation.  In order to compete in this event, you must be a UDEF Competitor. The Undisputed World B-Boy Series is a combined effort of different events, which for many years all have produced their own accredited world champion. Since 2014 the champions meet in masters event called “Undisputed Masters”. After London, Marseille, Prague, San Diego and Marrakech the Undisputed…