When the trail or the road is hot enough to fry an egg on, you need hyperventilation for your feet. Moab Ventilator is like air conditioning. Uppers are Dura leather with lots of exposed breathable Ventilator mesh. Breathable mesh linings and bellow tongue. Rubber toe bumper and heel counter, and Vibram Multi-Sport Plustrade sole provide the protection, support and traction you need when the action heats up.