- Dump Musou Shirt Jacket - The back is the front. One of the roots of manufacturing that we cherish. We have made uncompromising tailoring so that it can also be worn on the reverse side. This Dump fabric is woven densely with two kinds of yarns. The crisp and resilient fabric is very soft and comfortable to wear even under the sun. This easy-to-wear shirt jacket is useful regardless of the season. #80610012 Now available in stores, also on online store : 45r.fr ( link in bio ) @45r_official #45R #45r_official #45rparis #45rpm #japanesebrand #madeinjapan #45Rstaffstyling #summer #SS22 #unisexclothing