noun which may take the genitive case particle 'no', noun
naked above the waist; shirtless; stripped to the waist
Describes a state where the upper body is bare; often used in contexts like summer heat, physical labor, or medical examinations.
Because it was hot, he did the yard work shirtless.
Please strip to the waist for the examination.
Compound of 上半身 (upper body) + 裸 (naked).