65% cotton 20% nylon 5% Spandex Button closure 65% cotton 20% nylon 5% Spandex Chest Size: SIZE: US S - Chest 19", SIZE: US M- Chest 20.5", SIZE: US M/L - Chest 21.3", SIZE: US XL- Chest 22.5" Regular fit, fits true to size, good quality Fabric, and making style make you feel good and conformtable when wearing Machine wash cold, dry flat Button-up design...