[sold] 100% cotton, short-sleeve 'steel blue' Guayabera shirt in traditional style - four pockets, pleats, and white embroidery. This is a very deep shade of navy blue. Mexico. ce Easy to care for - Machine wash/dry. SIZING: Our boys' shirts run small, usually TWO FULL SIZES smaller than typical U.S. sizing. For example, if you usually take a US 6, our size 10 would likely be the best fit. Boys' Navy Blue Guayabera, 100% Cotton [sold] bngsize:  back