NWT 2XU Core Compression Tights Size Medium Black/ silver Perfect training partner at the gym, on the field, on the court or out pounding the pavement Full length compression tight PWX highly powerful, lightweight and flexible compression fabric Drawstring waistband for adjustable secure fit Graduated compression for improved circulation Signature X logo on thigh and calf Flatlock seams to reduce chafe Front panel - Recycled PWX 70D, 72% Recycled Nylon, 28% Lycra Back panel - Recycled PWX 160D, 65% Recycled Nylon, 35% Lycra Moderate graduated compression boosts blood flow to muscles, improving performance, lowering risk of injury and speeding up recovery. Quick drying high quality and durable yarns outlast the competition and keep the skin cool and dry.