We added UA SmartForm to our powerful UA RUSH™ fabric to keep your focus fixed in place with a one-of-a-kind waistband that adapts to your every move UA RUSH™ is infrared technology that reflects your body's energy to help you work harder & recover faster Anti-odor technology prevents the growth of odor-causing microbes Material wicks sweat & dries really fast Advanced seam placement to eliminate pressure points & chafing High-rise waistband with interior jacquard auxetic technology that forms to your shape & moves with you Side drop-in pocket Style #: 1373001 Inseam: 29" Powered by Celliant Body: 77% Polyester/23% Elastane Waistband: 80% Nylon/20% Elastane Imported