OluKai is expanding its use of sponsorship to reach new audiences and access a new sales channel.The 12-year-old Hawaiian-inspired footwear brand has signed new agreements with endurance sports events, golf tournaments and music festivals, with additional deals in the works for 2018.Ties include the Alaska Airlines Bay to Breakers footrace in San Francisco, RBC Heritage presented by Boeing PGA Tour golf tournament on Hilton Head Island, S.C., and the Tuck Fest music and outdoor lifestyle festiva...