Cotton 95% Spandex 5%,workout tank,Sweat-absorbent,Breathable,easy to clean,easy to dry,anti-pilling.keep you cool,dry and moving comfortably during your workout.These are the reasons for your choice. Unique Design,The fit tank tops has Zipper pocket,it's practical,Exercise while listening to music,you can put your phone or headphones in it.And there's a hoodie,which is cool. Suitable for odybuilding,workouts,gym,powerlifting,crossfit,running,basketball,soccer and even regular wear.its a good and fashion mens workout clothes. Thin athletic gym shirt,Lightweight athlectic shirt,whether running or other fitness,will make you more comfortable About the size:please refer to the specific size of the description.