Men's thermal underwear with ceramic processing for excellent heat retention, size L. Features far-infrared ray padding on the shoulders, providing double the warmth in the areas that get cold. I prepared this when I was assigned to work in a cold country, but I never used it and have been storing it at home for a while. - Product Name: Warm Feeling, Warm Quilted Men's Underwear - Size: L (Chest 96-104cm) - Material: Outer: 100% Cotton, Inner: 100% Cotton, Filling: 100% Polyester - Features: Heat retention effect through ceramic processing - Target: Men