Dropship Classic One Piece Crossback Swimsuit Syncee Wide Strap Cross Back One Piece Swimsuit GIRL & Cross Back One Piece Swimsuit & ONEPIECE & Tea Collection Crossback One Piece Meet.Curve GIRL & Cross Back One Piece Swimsuit & ONEPIECE & Tea Collection. The Cross Back One Piece Swimsuit SecureSwim Period Swimwear provides the comfort and support you need even at the height of your menstrual cycle. This period bathing suit's unique design features a patented one way seepage barrier to provide you with complete confidence and peace of mind in the water. Say goodbye to bulky panty liners and pads forever!