I cut off the tags for trying them on, but they have only been tried on and are almost new. Workman Roomwear MEDIHEAL ROOM Act Pullover Size: LL Color: Black Workman Roomwear MEDIHEAL ROOM Act Jogger Pants Size: LL Color: Black MEDIHEAL is fatigue-reducing wear registered as a general medical device. It prepares an environment that alleviates fatigue through the blood circulation promoting effect of far-infrared rays, which are radiated by high-purity ceramics kneaded into the fibers using proprietary technology, from the far-infrared rays released by the body.