The new and improved version of Mammuts bestseller combines all the features hikers are looking for on their tours. The Mercury IV Low GTX 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 superlative comfort. High-quality terracare® nubuck leather gives the shoe stability and durability. The terracare® leather, sustainably produced in Germany, and GORE-TEX footwear 3L are bluesign®-certified to protect our environment. 3D Memo Foam: cushioning adapts to your foot shape for exceptional comfort, support, and blister prevention. Vibram sole Board lasting Flex index A6 (hiking comfort) Heel drop 12 mm Lace system Standard lacing Weight  490 g (UK 8.5) Materials Material: Nubuk leather, textile Lining: GORE-TEX Footwear Sole: High rebound EVA wedge Sustainability Terracare® leather Fair Wear Recycled