His biggest accomplishment at the , arguably the biggest urban snowboard event in North America .
Pospisil has competing against ( and taking out ) some of the biggest names in snowboarding including Travis Rice , Bjorn Leines , and Shaun White .
Pospisil 's biggest accomplishment at the , arguably the biggest urban snowboard event in North America .
Pospisil has competing against ( and taking out ) some of the biggest names in snowboarding including Travis Rice , Bjorn Leines , and Shaun White .