Garmont Women's Dakota Backpacking Boot 100% Leather Vibram sole Shaft measures approximately 6 1/2" from arch Heel measures approximately 1 1/2" Platform measures approximately 1" Recommended by NOLS and Outward Bound for their courses Abrasion-resistant, supportive 2.4mm upper with no forefoot seams Anatomically Directed Design Heel ledge for crampon attachment Vibram Ice Trek outsole has deep lugs to grip in any conditions and self-cleaning