Made in Japan. Moussy Vintage Maplecrest Boys Straight in Blue. 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. Machine wash recommended. Moussy is a denim brand that is high-end casual inspired by both luxury and leading trends. Rigid denim fabric. 5-pocket styling. Zip fly with button closure. 18 at the knee narrows to 14 at the leg opening.