traditional Japanese summer sleepwear, white sarashi chest wrap, neatly wrapped sarashi around chest, secure layered cotton chest binding, white etchu fundoshi, traditional Japanese fundoshi, simple white cotton loincloth, traditional tied waist cloth, no modern underwear, wearing only the upper half of a Japanese nemaki over the sarashi, loose indigo blue nemaki jacket, thin lightweight cotton yukata-style sleep jacket, open-front sleepwear jacket, relaxed loose sleeves, soft natural fabric folds, slightly open front showing the white sarashi, no obi, no trousers, no skirt, barefoot, relaxed summer night atmosphere, traditional Japanese room, tatami floor, soft evening light, cool summer night, elegant, calm, wholesome, full body