The ideal jacket for most winter riding conditionscastelli didnt design the mortirolo for the most extreme cold or rainy conditions but thats what makes it so good for the coolcold conditions when you do most of your autumn winter and spring riding by using their warmest windstopper174 fabric on the front and sleeves you get excellent wind protection while fleecy warmer fabric on the back gives you far better moisture management this jacket is recommended for temperatures above 6176