TAM WARE Men's Classic Slim Fit Oxford Plain Long sleeve Shirt USA Standard size, Slim Fit 95% Cotton 5% Spandex Made and produced by Tom's ware INC Button closure Fabric: 95% Cotton 5% spandex. Chest size: SIZE: US S - Chest 19", SIZE: US M- Chest 20.5", SIZE: US L - Chest 21.3", SIZE: US XL- Chest 22.5", SIZE: US XXL- Chest 24.5" Provides the finest and most stylish classic and casual dress shirt which can be worn during summer and spring season or any regular occassions. USA standard sizes, Slim fit, fits true to size, good quality Fabric, and making style make you feel good and comformtable when wearing Machine wash cold, dry flat Button-up design shirt