The obi (often referred to as obi sash in English) is a fundamental component of the kimono, its width and ornamentation marking the formality of the occasion and the status of the wearer. In poetry, the obi is described with attention to its fabric—brocade, silk, or woven gold—and the elaborate knots that can take time to tie. The act of tying or untying an obi is often a significant action
in love poetry, signaling
preparation or intimacy. Its position at the waist makes it a natural focal point, and its bright
colors contrast with the kimono's more subdued hues. In haiku, the obi might be mentioned alongside a specific season, as certain patterns are seasonal. The obi also appears in poems about dressing, where
a mother or a servant helps with the complex wrapping, emphasizing community and
female bonding. Related terms include sash, belt, and cummerbund. Students should note the obi's central role in kimono aesthetics and its seasonal and ceremonial
significance.