Lowa Women's Renegade II LL LO Hiking Shoe 100% Nubuck Vibram sole Heel measures approximately 1" Lowa Control System features a moisture management system to keep feet dry that helps eliminate blisters and hot spots Monowrap construction wraps the foot in a lightweight yet firmly supportive polyurethane frame to reduce overall boot weight by using lighter weight upper materials while retaining needed laterial support Full length nylon shank with polyurethane midsole provides torsional support underfoot