We designed this shirt to withstand serious sweat. It's up to you to provide it. Why we made this We made this run shirt to go the distance - literally. The body is seamless to minimize chafing during long runs and the fabric is anti-stink so the only output we're worrying about is our wattage. Key features wear this on its own or as a lightweight base layer in cool weather workouts go ahead, make a stink! The Silverescent fabric has anti-odour properties the tee's core construction is seamless to help keep sweaty skin from getting irritated where there are seams, they are engineered flat to help keep chafing at bay Tech specs designed for: run fabric(s): seamless Silverescent® properties: moisture wicking, anti-stink, chafe resistant, breathable fit: body-skimming length: hip Excellent condition! Bundle & Save! I accept offers 😊