This shoe is very comfortable and has a Airmix sole. The Airmix sole is really tough and comfortable at the same time! These shoes can bear the rock, heat, and cold anything but will keep your feet safe. Run, jump or trek but do not get tired. The material is tough enough to save your feet from injuries. Your feet are going to stay safe and warm. You can go on carefree knowing that this shoe will ease all sorts of hurdles. These shoes have a Steel Toe, keeping your feet protected. Travelers or heavy duty workers these shoes come in handy when you wish in every situation.