E.v.e.r.y.da.y.. Seriously, you name it. Throw it on with your favorite shorts, pants, or over your favorite rompers and dresses! (We LOVE it with our "copper clay romper" underneath or tucked into our "cheetah paper bag shorts!"
99% polyester, 1% spandex
Model is 5'3 size 2 and wearing a small.
Boxy fit, you shouldn't have a problem going up or down in size!