Each Smart Ski is made with the local Vermont hardwood along with ski industry standard fiberglass and eco friendly epoxy. surf-baseAll Smart Skis have a thick hardwood veneer base that is protected by lightweight fiberglass and eco friendly epoxy. It is the same method used on surfboards and the results are an extremely smooth/surfy ride on the frozen wave in the mountains.natural-edgeThe hardwood sidewalls/base creates a solid natural edge that allows you to dig in and leave some trenches.