CR-X Drystar® Riding Shoes Black/RedDrystar membrane offers effective weather protection in wet conditions The sole unit DROP (or, the off set between heel and toe) is set at 9 mm (many running shoes have a 9 mm drop) to ensure a smooth heel to toe transition when walking Features an EVA midsole provides for excellent all day underfoot comfort Forefoot Flex grooves are engineered into the midsole for enhanced forefoot comfort (the grooves promote flexing in the forefoot area) Full