This is a shirt-type jacket made of flannel fabric with a soft and warm texture. The soft surface revealed in the fabric is a unique characteristic of flannel that retains heat for a long time, and with padding, you can wear it warmly even in early winter. There are side pockets on both sides, and it has the shape of a jacket but is designed with a shirt collar, giving it the feel of a document-only shuttering jacket. The buttons are finished with natural horn buttons, and you can store valuables through the pocket on the inside.