These 2xu tights are a staple piece for any runner. The pwx flex fabric delivers optimum power and flexibility to protect abductor, glute, quad and hamstring muscles drawstring waistband for an adjustable, secure fit. Internal key pocket for essentials. Flatlock seams to reduce chafe for greater comfort. Powerful invista lycra® for exceptional fit, support and recovery. High filament yarns for dryness – wicks sweat from the skin to the fabric exterior. Antibacterial and upf50+ sun protection.