The Slate Premium Collection is fully leather lined and comes with a premium leather welt, as to be expected with this high-end collection. The combination of Tan leather and a new Caribean Wax canvas creates a powerful image of the English country gentry. The Ferdinand Cavalry Boot has a two-buckle strap that is distinctly military in style, hinting at a refined Officer's dress-code. 6-Eyelet, 2-Hook Boot. Analine leather and Caribean Wax canvas. Dr Martens air-cushioned sole, reistant to Oil, Fat, Petrol and Alkali. Goodyear welted product, upper and sole are heat sealed and sewn together.