The New Speedo Speedo(r) Illusion Splice Ultraback One-Piece (Northern Blue) Women's Swimsuits One Piece, female, Apparel , One Piece , Swimsuits, 6, true, Lap after lap the Illusion Splice Ultraback One Piece is a suit designed to provide optimal comfort while you work hard in the pool. Ultraback cut features a supportive strap design for a greater ranger of movement. PowerFLEX Eco fabric: