The Timpanogos features: Rugged Scotchgard®-treated, durable whole grain leather upper is great for harsh environments. Where hard, shiny leather would crack, this leather remains strong, supple, and flexible. Doesn't require shining. Can be cleaned and moisturized with waterproofing leather cream treatments such as Dansko Leather Cream, Doc Marten's Dubbin Wax, or Bear Grease. Sealtex® waterproof bootie construction works with the waterproof leather to give two layers of waterproof protection, similar to high end hiking boots. The sole is the same design and material as a hiking boot. It features a lightweight, cushioned EVA midsole for support and all-day comfort along with a self-cleaning rubber compound outsole that is very durable and designed for traction and shedding mud. Padded internal heel collar Propet exclusive "Rejuve" footbed is APMA (American Podiatric Medical Association) approved to give total foot support and help to correct over pronation and supination. This alleviates foot, knee, and back pain by correctly aligning the foot.