- TWISTED X, MDM0003. THE ORIGINAL CHUKKA DRIVING MOC. BOMBER. The men's casual chukka driving moc is a true Twisted X original. Handcrafted in full-grain leather, the chukka driving moc makes an unforgettable statement about true comfort and style in casual footwear. Blending together a traditional open-laced profile with a unique leather-wrapped outsole and moc toe design with integrated comfort technology that provides timeless quality and style. The molded footbed, three-quarter length composite insole, and the Twisted X driving moc outsole combine to produce one of the most comfortable, ankle-high casual shoes you can find. From a relaxing stroll to spending the entire day on your feet, our driving mocs will have you redefining comfort.