Swim shorts by Billabong, Drawstring waistband, Mesh lining, Side pockets, Single back pocket, Machine wash, 100% Polyester. Australian-based label Billabong creates swim trunks, board shorts and surf wear with high-performance credentials and laid-back appeal. Embracing the outdoor beach lifestyle, husband and wife duo Gordon and Rena Merchant made the first Billabong collection by hand from their own Gold Coast flat, before the brand became one of the most recognisable surf brands in the world.