We've designed the ultimate post-game, post-train system to help you restore muscle faster & come back better than ever The pattern inside the fabric returns infrared energy to your body, boosting localised blood flow & increasing the amount of oxygen reaching your muscles to restore your muscles faster UA StudioLux fabric delivers relentless support with a super-soft luxurious feel Material wicks sweat & dries fast 4-way stretch construction moves better in every direction Encased elastic waistband with external drawcord 90% Polyester, 10% Elastane