Rashguard/top by designer Mara Hoffman. Long sleeve, cropped fit. - Gold brand tag on bag, but fabric label has been removed. Would say this is a size medium, and it is stretchy spandex material - Great for sun protection, or as simply as a boldly colored crop top - Neck to end of sleeve: 28” - Collar to bottom hem: 11” - Armpit to armpit laying flat: 16”