Size & Fit: medium fits true to size. Material:  91% nylon, 9% spandex.  Condition: excellent used condition: no holes or stains. Approximate measurements laid flat: Length: 21.5" Sleeve length: 21" Bust (armpit to armpit): 14" not stretched HOW TO STYLE/DETAILS: Soft and stretchy abstract cut out top by Alo Yoga! No side seams and moves easily during your workout or running errands.