Montane Men's Extreme Smock - BlackExtreme' isnt the adjective you'd usually reach for to describe a run of the mill smock, but then again, this Extreme Smock from Montane is about as far from run of the mill as one can get. A stalwart in the Montane collection, the style is designed to tackle the gamut of demoralising conditions freezing cold, wet and windy and is replete with thoughtful tech and top draw features. The face fabric is constructed from windproof Pertex Quantum that also