The Mammut Mercury Mid IV GTX is a lightweight and high-quality hiking shoe made from the best materials. The new and improved version of Mammuts bestseller has a flexible and grippy Vibram sole for optimum sure-footedness on day hikes. Damping 3D Memo Foam in the lining and insole as well as a breathable, waterproof GORE-TEX membrane ensure optimal comfort. High-quality terracare® nubuck leather gives the Mercury IV Mid GTX stability and durability. The terracare® leather, sustainably produced in Germany, and GORE-TEX membrane are bluesign®-certified to protect our environment. Mens Mercury Mid IV GTX Walking Boot