FitFlop Women's Dash Boot 100% Leather Rubber sole Shaft measures approximately 5" from arch Heel measures approximately 1.25" Platform measures approximately 0.75" Boot opening measures approximately 11.5" around Suede boot featuring buckle strap over vamp and uneven topline Aegis-treated microfiber lining Patent-pending original MICROWOBBLEBOARD midsole technology fuses three diagonal sections of triple-density EVA into a single underfoot platform to absorb shock and diffuse high-pressure spots