Get comfort that you can feel good about with Twisted X's Chukka Driving Moc. Crafted with the environment in mind this shoe is sure to be a favorite for years to come. Full-grain leather upper featuring full-quill ostrich on vamp Nylon laces Air-mesh lining for improved breathability and comfort Composite insole provides unrivaled support and stability Molded rubber outsole infused with rice husk from repurposed agricultural byproduct provides durability. Rice husk is renewable, durable, and natural, all while being carbon positive Twisted X Men's Chukka Driving Moc Brown & Brown Ostrich