【Set of 2】MUJI Warm Cotton Crew Neck Short Sleeve T-Shirt S Men's Black MUJI Dark Gray Chest 80-88 Retail Price for 2: 2580 yen This t-shirt is made with cotton that absorbs moisture from the body and generates heat. It has a thin and smooth feel. The cotton is organic cotton. By adding organic cotton treated with a special technology, this warm innerwear enhances the "moisture-absorbing heat generation power" that converts steam emitted from the body into heat. This year, we have improved the material to make it even smoother and more comfortable to wear. We plan to ship via anonymous Yu-Packet Post. Thank you. Color: Gray Pattern/Design: Solid Stains, tears, odors, etc.: None