Bro is a classic mid-height boot crafted of Parma calf, it also has touches of tumbled leather on the heel and tongue. It's got an inside zipper to make putting them on pretty simple. Taking them off will be the hard part, you're not going to want to. Details: Genuine parma calf leather upper, slip-on boot design, tumbled leather heel and tongue, inside zipper, speed laces, textured rubber outsole. Material: Leather, Rubber.