Lowa Women's Tibet GTX WS Backpacking Boot 100% Leather Imported Vibram sole Shaft measures approximately 5.75" from arch Heel measures approximately 1.75" Platform measures approximately 1" Lace-up boot with speed hook hardware featuring logo stitched on tongue and protective toe bumper Seamless waterproof GORE-TEX membrane Climate Control perforated lining C4 anatomically contoured tongue for comfort FlexFit natural ankle flex and heel fit Ideal for heavy packs (50+ lbs)