STAY-COOL WICKINGSTRETCHFLATLOCK SEAMS FOR COMFORTREFLECTIVE DETAILS 5.2-ounce 88/12 poly/spandex with stay-cool wicking technology OGIO heat transfer label for tag-free comfort Elastic locker loop inside neck Black coil zipper with locking pull and black reflective zipper garage Black reflective O heat transfer bar on back right shoulder Black reflective O heat transfer on left hem