noun
sleeveless undergarment; padded undershirt
A traditional Japanese sleeveless padded undergarment, often worn under kimono or martial arts uniforms for warmth or protection.
See also: 胴衣 (どうい)
寒い日は着物の下に胴着を着ます。
On cold days, I wear a padded undershirt under my kimono.
剣道の稽古のとき、胴着を着用する。
When practicing kendo, I wear a padded undershirt.
Same kanji but read どうい; refers to a vest, waistcoat, or life jacket, not the traditional undergarment.
Compound of 胴 (どう, 'torso') and 着 (ぎ, 'clothing'). The spelling 胴衣 is also used, but 胴着 is more common for this specific garment.