Jack wolfskin womens colorado flex jacket on long distance trails or day hikes up in the hills down in the lowlands in rain snow or sunshine if your hiking season spans all regions and all seasons the colorado flex is the jacket for you it is comfortable and as versatile as your hiking options this rain jacket is made of extra soft texapore fabric and equipped with flex zones for superior wear comfort and mobility from the first step to the last when you on the move a lot youre