I'm flex-y and I know it. Just the cutest little muscle tank you ever did see. Endlessly wearable...meet your new base layer. Made from super soft ribbed Pima cotton spandex. Feels like a cloud. 50% Pima Cotton/ 49% Modal/ 1% Spandex Key Measurements (from size M): Body Length (from shoulder): 24 1/2" Garment has never been worn except to try on, although tags have been removed