Power PerformanceHigh quality Italian Lycra® fabric,coldblack® technology dramatically reduces heat build up,600 series pad, computer cut “Continuously Variable Profile” (CVP) stretch pad with gel inserts and antibacterial finish,Pre-curved race fit,Wicking upper-mesh for optimal breathability,Raw edge grip rib hem with super fine silicone grippers,Reflective trim detail on rear hem bands.ConstructionMainNylon 78%,Elastane 22%.TrimPolyester 39%,Nylon 37%,Elastane 24%.