More rolling in winter weather.
Castelli constructs its Mortirolo 4 winter jacket using Gore® Windstopper™ X-Fast fabric on the front for total windproofness with a water-repellent finish and Castelli’s Warmer thermal fabric on the back for massive breathability. The combination of these fabrics with additional zippered chest vents mean you can break the dreaded winter cycle of being too cold, overdressing, overheating, then getting sweaty and cold, ad infinitum. A silicone gripper hem at the bottom makes sure you stay covered all ride long, and the YKK® Vislon full-length zipper gives you complete airflow between winter intervals.
The Castelli Mortirolo 4 Jacket features three jersey pockets in the back with reflective tabs for enhanced visibility. Available in multiple colors.
Note: Castelli tops and bottoms are designed with a performance cut that often runs smaller than that of other manufacturers. Consider sizing-up one size to ensure a comfortable fit — e.g., if you normally wear a Medium, select a Large in Castelli. Feel free to contact us with any questions or concerns.
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Great winter jacket
I've been riding with this jacket for the last few weeks and it's been a lifesaver. If you are riding in freezing temperatures, or below, this jacket is perfect. I have ridden with just a long sleeve baselayer and this jacket down to 30 degrees and have been perfectly comfortable, and down to 25 degrees with adding just a light wind-jacket over the top. The fit on this jacket is true to Castelli's standards. It is true form-fit which allows you to wear this like a jersey, and has the three large back pockets to allow you to go out all day. The water-repellent finish is a nice touch, but definitely isn't enough for anything more than road spray or a light drizzle. Though, it's not so bulky that you couldn't throw a rain coat over it to stay dry.
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What you need for a road ride.