Self: 100% cotton Label: 100% cowhide leather. Made in Japan. Machine wash. Button fly closure. 5-pocket design. Rigid denim with raw cut hem. 20 at the knee narrows to 16 at the leg opening. MOUR-WJ236. 540HAC11-1051. Moussy is a denim brand that is high-end casual inspired by both luxury and leading trends. With sights set on being the world's leading denim brand, Moussy pursues this ambition with confidence of made in Japan quality, passion, and focus.