Antique Maruoka Men's Kaku Obi (Formal Sash) Navy Blue 100% Cotton Datejime (Under Sash) Vermilion Nylon & Rayon Unused, Boxed For Gentlemen's Yukata Echizen Maruoka, handmade by craftsmen, producing only 1-2 pieces per day Instructions on how to tie each obi included The Datejime is about 10cm wide, the same width as the Kaku Obi, so I wonder if it's for women? Unused, long-term home storage.