Altra women’s trail shoe - worn about 10 times The Mont Blanc is equipped with Altra EGO MAX midsole foam for light and luxurious performance. With zero drop, roomy toe box with plenty of room, so your toes can move freely, and a secure midfoot, you can comfortably move the way you were designed to. Designed with Vibram Lightbase to reduce outsole weight and Vibram Megagrip for unparalleled grip on both wet and dry surfaces. It is a breathable design that can go all day!