Swimsuit by Billabong, Just add water, Plain design, Scoop neck, Lace-up detail to reverse, Not just for shoes, Brief cut. Australian-based label Billabong creates swim and surf wear with high-performance credentials and laid-back appeal. Embracing the outdoor beach lifestyle, Billabong creates board-ready bikinis in graphic prints and streamlined shapes, as lightweight T-shirts and dresses act as the perfect post cover-up.