Mammut Blackfin III WP High Hiking Shoes - Men's Black US 11. With a winter-specific rubber mix the Vibram sole ensures improved support and increased grip even on icy surfaces. Membrane prevents the penetration of water. The warm lining provides the shoe with optimum insulation and heat performance in winter and is guaranteed to counteract cold feet. Specifications for Mammut Blackfin III WP High Hiking Shoes - Men's: Manufacturer: Mammut Gender: Male Age Group: Adults Shoe Height: High Color: Black Footwear Type: Shoes Weight: 655 g Fabric/Material: Dropstop Textile Outsole Material: Vibram Features of Mammut Blackfin III WP High Hiking Shoes - Men's Completely waterproof thanks to PU membrane with bonded seams Inner shaft with aluminum insulation Absolute Aluminia Thermal Insulation Board lasting Protective rubber border Vibram Outsole Package Contents: Mammut Blackfin III WP High Hiking Shoes - Men's Mammut 3030-04050-0001-1100: Blackfin III WP High Hiking Shoes - Men's Black US 11