Vivobarefoot Primus Trail III AW FG Women's ObsidianVivobarefoot Primus Trail III All Weather FG Womens Obsidian Designed for year round outdoor adventures, the Vivobarefoot Primus Trail III All Weather FG in Obsidian gives women the freedom to move naturallyrain, mud, or shine. With water resistant performance and flexible ground feel, it's built for the trail but ready for every day. Key Features All Weather construction: Water resistant upper keeps feet dry in wet and muddy conditions Firm Ground