Decathlon AU is an Australian retailer for sports equipment and apparel that aims to make sport accessible to everyone. It offers a vast range of products for various activities, from camping and cycling to running and swimming, serving beginners and elite athletes alike. Decathlon provides both online and physical store shopping options and is known for its in-house brands, customer support, and policies such as free standard delivery on eligible items, in-store click-and-collect, and easy returns.