Tactical Research Belleville 103 Mini-Mil Athletic Sage Boot Leather Vibram sole Shaft measures approximately Mid-Calf" from arch Grain-out leather and 1000 denier Cordura nylon Compression molded EVA midsole, and single density molded EVA insole VIBRAM "Tarsus" oil and slip resistant rubber outsole Highly breathable unlined upper and padded Achilles support Weighs less than 2lbs a pair