This lightweight and thin Heat Circulation Structure Down Shirt was developed with the concept of a sleeping bag, pursuing heat retention and wearing comfort, and boasts exceptional insulation. The <Twin Dome Structure> and <Air Through Structure> eliminate cold spots, preventing heat from escaping. The lining uses HEAT NAVI, a heat-generating and heat-retaining material developed by Descente. This inner long-sleeve down shirt can also be worn as a layering item. Gray button-down jacket made of down material. - Color: Gray - Design: Button-down - Cuffs: Ribbed - Material: Down material Thank you for viewing.