The peakfreak xcrsnboasts columbias incredible new outdry technology which dispenses with a membranebymaking the outer surface of the boot completely waterproof thereby drastically saving weight by using less materials an eliminating surface moisture gathering in the shoe exceptionally hardwearingand comfortable thanks to a leathertextileupper its also supportive and grippy on tough terrain due to the springy techlite midsole and omni grip rubber outsole