-Water repellent -Designed for elite racing such as Ironman non-wetsuit events -The 3D Exo-Foil fabric gives superb flexibility, reduced drag and superior water glide and the high density fabric delivers lift in the water and compression at the thighs for excellent quad stabilization, conserving muscles and energy during the swim. -Thermo bonded seams for minimal chafing and comfort and a locking zipper for minimal drag & quick T1 time. -The Phantom Speed Suit utilises Aqua Sphere’s expertise in the competitive swim market partnered with swimming legend Michael Phelps to create the MP brand for elite swimmers to create a product with unique capabilities..