Moussy Vintage Helix Skinny. - size 30 (also in 23, 26, 27) Moussy Vintage Helix Skinny. - size 30 (also in 23, 26, 27) Self: 98% cotton 2% spandexLabel: 100% cowhide leather. Light fading and distressed detail. Zip fly with button closure. 5-pocket design. 13 at the knee narrows to 10 at the leg opening. Made in Japan. MOUR-WJ85. 025DAC12-1230. 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.