BEND, Ore., April 27, 2017 /PRNewswire/ -- Hydro Flask, the award-winning leader in high-performance, insulated stainless steel flasks now a Helen of Troy Limited (NASDAQ, NM: HELE) company, is excited to announce a multi-year partnership with the World Surf League (WSL). The brand has signed on as the official water bottle and drinkware sponsor of the WSL Championship Tour (CT) and Big Wave Awards in North America.