Roam around the house in confidence with the best slippers for men without worrying about falling or slipping on the wet floor. Billabong is an Australian clothing and accessories brand recognized internationally for its premium clothing collection. Gordon Merchant founded Billabong in 1973 at Gold Coast, Queensland, Australia, and today, it is a subsidiary of Quicksilver, owned by Boardriders Inc. Navy blue is the most common color for denim and dress pants.