Runners have understood the benefit of spikes for ages, and it's high time hikers tried it out. The Salomon Women's X Ultra Mid 2 Spikes GTX Winter Boot takes traction to the next level by adding nine Carbide-Tipped spikes to its Contagrip outsole--letting the shoe bite into icy surfaces. The boot also features a full Gore-Tex Performance bootie to ensure your feet stay dry regardless of slush or perspiration. Underfoot, the X Ultra Mid 2 has Salomon's Advanced Chassis which supports your foot in proper alignment, as well as an Ortholite footbed and an injected EVA midsole that absorb and disperse impact.