SPEEDO Mercury Spliced Drop Back AdultSPEEDO Mercury Spliced Drop Back* Speedo Drop Back is our new revolutionary teardrop shape features wide straps for serious support.* Perfect for competitive swimming and training.* Speedo’s exclusive Endurance+ is our longest lasting and best selling training suit fabric.* Endurance+ is 100% chlorine resistant fabric designed to lasts 20 times longer than conventional swimwear fabrics.* Four-Way Stretch technology also provides a body-hugging fit, great shape retention and soft comfort.* Fabric: 50% Polyester/50% PBT.








