Comparison question: how does this jacket compare to the Castelli...
By Alexander Waid July 16, 2010
Comparison question: how does this jacket compare to the Castelli Insolito Radiation Jacket?
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By Timothy Blum August 5, 2010
You can't really go wrong with either of these. I have the Castelli Quantum jacket-pretty similar to the Insolito with same fabric and removable radiation insert but no hood-and the Castelli is a bit looser fabric fit than the Giordana. The Castelli is also very warm if you use the radiation insert-it's really warm, enough for the coldest weather the way the thing traps the heat. The Formared jacket is also thinner and tighter fitting than the regular Forma, which itself is pretty tight. I just got the Formareds this summer so I can't attest to its warmth from use, but based on the thinner fabric and tighter fit I would confidently guess its not as warm as the Castelli. I have had 2 Formas for several years and can attest to their great performance and warmth just below the Castelli in warmth (one winter so far). I actually found myself taking the inner jacket out of the Castelli and wearing it alone because the Formas and Castelli with radiation insert were too hot a lot of the time depending on my layering. I currently have the one Castelli Quantum, 4 Formas, 2 Formareds (2 Formas and 2 Formareds purchased this summer so not used yet) so I will have a good rotation to wash after each use. The ones I have had for a while (Castelli and Formas) all have held up well to washing after every use (I recommend washing after each use otherwise you can get the synthetic fabric stink stuck in there). I wear a large in all of these jackets and I am 6'2", 180 lbs. with a 56euro/46US suit jacket.
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