Perfect quiet luxury/coastal piece. 100% cotton. Please note the front hem is slightly shorter than the back hem. It also has a bit of a drop shoulder so I included two sleeve measurements. Measurements below: Armpit to armpit: 19.5” Estimated shoulder to sleeve opening: 20” Ribbed shoulder to sleeve opening: 18” Back of neck to front hem length: 22.5” Back of neck to back hem length: 24.25”