Prepare for your next expedition with the rugged style of the Back-to-Berkeley IV Boot from The North Face! The Back-to-Berkeley IV Boot rocks a full-grain leather upper with DryVent waterproof membrane, padded tongue and collar and cushioned footbed for comfort, and Surface CTRL ...Prepare for your next expedition with the rugged style of the Back-to-Berkeley IV Boot from The North Face! The Back-to-Berkeley IV Boot rocks a full-grain leather upper with DryVent waterproof membrane, padded tongue and collar and cushioned footbed for comfort, and Surface CTRL outsole made with 10% rubber from smallholder farmers committed to agroforestry principles and regenerative agriculture practices.