We have a great Arena Bikini collection for you to shop online! Arena Bikini swimwear is a popular choice for training among female athletes. Part of the Arena Water Instinct Arena training swimwear range, the Arena Bikini range offers swimmers the choice to create their own Arena Bikini set, by mixing and matching various prints and styles available in the Arena Bikini top and Arena Bikini bottom swimwear collection. Popular choices from the Arena Bikini range include the Arena Triangle Feel bikini and the Arena Bandeau bikini. Swimmer is an official Arena Australia stockist.