The Launch Splice Cross Back - Speedo Endurance+ training swimsuit was engineered from Speedo’s exclusive, longest lasting and best-selling Endurance+ fabric. The design of this swimsuit’s 100%-chlorine-resistant fabric makes it 20 times more durable than conventional swimwear fabrics. Thanks to its Four-Way Stretch technology, this high-quality, chlorine-resistant training swimming suit provides soft comfort, a body-hugging fit, and great shape retention. Also featuring front and back liners, the Launch Splice Cross Back - Speedo Endurance+ is made from a sagging - and bagging-resistant fabric, retaining its optimal fit in the long run. This training swimsuit boasts an open keyhole at the back, a central back strap, and ultra-thin straps, thus providing comfort, support, and freedom of motion. With the Launch Splice Cross Back - Speedo Endurance+, swimmers have found the ideal swimsuit for dual meets, practice and training.