Vivobarefoot Tracker Decon FG2 Brown Black Outdoor Trail Hiking Boots Mens EU 49 / US 15Good preowned condition, only worn a few times, in great shape. Obsidian colorThe Tracker Decon Firm Ground 2 is a lightweight hiking boot. It comes with improved, multi-terrain grip and extra flex. Feel the wild, be the wild. Stand firm on multiple terrains — with extra grip, durability and traction.For outsiders who want to move with, not against, nature. A lighter, more flexible version of the original Tracker, designed for exploring cityscapes or the wilds beyond with extra barefoot feeling.FIRM GROUND 2 OUTSOLEStand firm on multiple terrains — with extra grip, durability and traction.REMOVABLE THERMAL INSOLEThe Thermal Insole has built-in temperature-regulating technology that absorbs, stores and releases heat. This smart thermal layer responds to the naturally changing temperatures of your feet, keeping them warm or cooling them down.TOUGH RUBBER COMPOUNDStrong, non-marking rubber compound for sticky grip and high-abrasion when you need it most.Multi TerrainGiving you grip and ground feel on everything from wet and dry, rocky and firm terrain.UrbanStripped-back soles for barefoot living — so you're never too far from nature, even in the city.Fit, Feel, FlexFor natural stability, natural sensory feedback and natural strength.FIRM GROUND 2 OUTSOLEThe new and improved Firm Ground 2 Outsole has deeper lugs, with a 3mm base and 4mm lug