Soft thermal fabric. Cropped hem, short sleeves, and a relaxed fit. 

49% POLYESTER, 48% VISCOSE, 3% SPANDEX

Model is 5'6 and wearing size Small.  

X-SMALL: Length (in): 15.5 Width (in): 16

SMALL: Length (in): 16 Width (in): 17.5

MEDIUM: Length (in): 16 Width (in): 19

LARGE: Length (in): 16.5 Width (in): 20.5

X-LARGE: Length (in): 18 Width (in): 21

XX-LARGE: Length (in): 18 Width (in): 22

Wash on cold water. Tumble dry low.