This is the long-sleeved, long-pants version, perfect for getting a head start on fall and winter. MEDIHEAL is fatigue-reducing wear that has been registered as general medical equipment. The high-purity ceramics, which are incorporated into the fibers using unique technology, radiate far-infrared rays emitted from the body. This promotes blood circulation, creating an environment that alleviates fatigue. If you are looking for a product to help you sleep comfortably and recover from fatigue, why not give it a try? Men's ■ Workman MEDIHEAL ROOM ■ Size: L ■ Color: Heather Charcoal ■ Sold as a set! ※ The medical device efficacy is based on wearing the set, so it is a set designed to maximize the effect. I purchased this as a gift, but it's no longer needed, so please use it. Brand new, unused. If you have any questions, please ask. Loungewear Pajamas The item will be folded compactly or compressed for shipping, so please understand. Thank you for your purchase!