Made for the Journey Ahead The MTN45 Mid GTX is the new go-to hiker for her, ready for anything from light trekking to backpacking adventures. Built on our Women’s Precision Fit last with new GORE-TEX Invisible Fit technology, these boots offer unmatched comfort and support for women while providing superior waterproofing and even more flexibility. Energy-returning EnduroFoam Plus midsoles and TPE supercritical foam add responsiveness and durability, ensuring you’re ready for the long haul.