Lowa Men's Tibet LL Trekking Boot 100% Leather Imported Vibram sole Shaft measures approximately 5.75" from arch Heel measures approximately 2" Platform measures approximately 1.75" Ideal for heavy packs (50+ lbs.) Glove leather lining Climate Control perforated lining manages moisture and heat C4 anatomically contoured tongue FlexFit natural ankle flex and heel fit Balance footbed with breathable top layer Strap-on crampon compatible