Kimono
Japanese shiromuku with wataboshi hood
A Japanese bride kneels in shiromuku, the all-white kimono that is Japan's formal traditional bridal attire, its train pooling on the tatami. White stands for purity and innocence, and the woven pattern only shows when the light catches it, so the effect is texture rather than color.
The rounded white hood is the wataboshi, worn only with shiromuku and only during the ceremony itself, which makes this the look of the vows rather than the reception.
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