I use these glove 3 day a week at a boxing gym for a structured workout . I be a woman 5 ' 3 '' with small hand . I have the 14 ounce glove and with my hand wrap the glove be a good fit . they be easy to put on and take off in between drill and I have be use they for the last 4 month with no complaint at all . I would highly recomend these glove for you heavybag workout . I like my workout at the gym so much that I want to get a heavybag for home use on day I dont go to the gym .