L-size thermal underwear made of a wool blend with far-infrared heat retention. This is a top and bottom set. - Size: L (Chest 96-104cm) (Waist 84-94cm) - Material: Wool blend - Features: Far-infrared heat retention I haven't used it because the size was too small, and it has been stored at home. It is a new, unused item, but it has been stored at home for a long time. Please consider purchasing if you understand this. Thank you for looking.