Former Japanese  army officer summer tunic
and trousers.
it's from war time.

eBay向けなら、自然で簡潔にすると以下の表現です。

Condition: Shows signs of age, including deterioration, holes, stains, and other wear. Please review the photos carefully for the overall condition.

Measurements (laid flat):

• Shoulder Width: approx. 42 cm

• Sleeve Length: approx. 57 cm

• Trouser Length: approx. 102 cm