2XU Women's 100% Other Fibers Imported Moisture-wicking PWX fabric with invista Lycra supports and protects Abductors, glutes, quads, hamstrings and calf muscles Graduated compression increases circulation to help muscles warm up faster and fatigue slower Higher rise waistband adds coverage, while flat lock seams reduce chafing 50+ sun protection, plus antibacterial properties to eliminate odors 72% Nylon/28% Lycra