Speedo Men's Quark Splice Pulse Jammer Swimsuit SPEEDO Endurance Lite Quark Spliced Jammer New Flipturns Jammer! Made with Speedo Endurance Lite fabric - All of the performance properties of our Endurance+ fabric in a 10% lighter weight that won't weigh you down in the water. Resists sagging, bagging, fading and snagging - a great choice for practice and training. Fabrication: Speedo Endurance Lite // 49% Polyester / 51% PBT Polyester