Shop our Michael Phelps MP bikini line! Like all MP swimwear, the Michael Phelps MP Bikini range is an ideal choice for training. Michael Phelps Swimwear offers a huge range of MP Swim fitness and training bikini swimsuits. Michael Phelps MP sport bikinis feature chlorine resistant fabric and a number of prints - like the Michael Phelps Riviera Womens Two Piece - and offer a variety of Michael Phelps MP Bikini fitness options for girls and women. Swimmer is an official MP Swim Australia Stockist.