Built for riders who spend all day in their boots, the Libertine Collection is our most powerful and supportive collection, designed to create the perfect blend of support and lightweight, adjustable comfort. Built with our premium Ultralon F.I.T. Liner, featuring a dual density Ultralon foam for a pack-out resistant fit and all-day comfort, the Libertine Collection also features the slip-free, rugged GripFlex Outsole with Vibram Icetrek 2.0 and our DuraFit Shell for a consistent flex. Durable, dependable and all ways down for another lap.