OGIO ENDURANCE Force 1/4-Zip OE341STAY-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 Endurance heat transfer bar on back right shoulder, Black reflective O heat transfer on left hem