padded sleeveless undergarment; vest
A traditional Japanese padded, sleeveless undergarment worn for warmth or protection; also used for modern vests.
Wearing a padded sleeveless undergarment keeps you warm in the cold season.
One of the kendo protective gear items is the padded vest.
life jacket; life vest
Compound of 胴 (どう, 'torso') and 衣 (い, 'clothing'), referring to a garment that covers the torso.