Freeriding starts with the first layer because it is crucial for the function. The 185 Rock ‘N’ Wool Longsleeve is made from 100 % fine merino wool with a fineness of 19 microns, which feels pleasant on the skin and ensures an optimal climate thanks to temperature- and moisture-regulating properties. FeaturesOrtovox 185 Rock ‘N’ Wool Base LayerSoft merino woolTemperature and moisture regulating properties