Mulholland Master BROWN motorcycle riders jacket. Barbour/Belstaff/ISDT style. An original MFSC, inspired by our vintage influences. FABRIC: Originally developed for the US Navy and officially called “Jungle Cloth”. A sturdy 100% cotton ‘gros grain’ type cloth, tightly woven for wind proofing and with water repellent qualities. It can be individually waxed with adequate wax dressing, to add to the water proofing quality.