Helly Hansen becomes the Major Sponsor of 2012 Sydney Harbour Regatta by Jess Mulquiney on 8 Feb 2012 Helly Hansen (HH), one of the world’s leading sailing apparel and footwear brands, last week announced that the brand has signed on to be the Major Sponsor of the prestigious Sydney Harbour Regatta at Middle Harbour Yacht Club (MHYC).