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Castelli Men's Fondo Jersey FZ

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Finally, a breathable and lightweight jersey to keep you warm on even the coldest rides.

Experience a ride without that autumn chill with the lightweight yet perfectly insulated Castelli Men's Fondo Jersey FZ. With incredible breathability to match, no more overheating or freezing when on your bicycle.

This no-fuss jersey is made to do exactly what a thermal jersey needs to do — keep you warm and dry. Crafted with state-of-the-art Warmer fabric that is excellent for cool days thanks to a high-loft fleece inside and exceptional wicking. Special attention has been paid to getting the details exactly right, like the three spacious rear pockets and the high collar to keep you comfortable on any trail. Featuring the Zen neck flap, which prevents the easy-sliding YKK® zipper from rubbing on your neck.

This cycling jersey works well to brave the cold conditions while keeping your core warm every time. Stay comfortable with the Castelli Men’s Fondo Jersey FZ, and ride like never before.


  • Made from 100% polyester fleece for extra warmth and wicking
  • Zen collar protects neck from zipper
  • Easy-sliding YKK® Vislon® zipper
  • 3 rear pockets with reflective tabs
  • 13°C - 20°C (55°F - 68°F)
  • Lightweight 278 grams

  • Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for US customers if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.

    B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.


    Sleeve Type: Short Sleeve 

    Black/Red - Small

    Mfg PartNum: A17511231-2 

    Black/Red - Medium

    Mfg PartNum: A17511231-3 

    Black/Red - Large

    Mfg PartNum: A17511231-4 

    Black/Red - X-Large

    Mfg PartNum: A17511231-5 

    Black/Red - 2X-Large

    Mfg PartNum: A17511231-6 

    Dark Gray/Orange - Small

    Mfg PartNum: A17511334-2 

    Dark Gray/Orange - Medium

    Mfg PartNum: A17511334-3 

    Dark Gray/Orange - Large

    Mfg PartNum: A17511334-4 

    Dark Gray/Orange - X-Large

    Mfg PartNum: A17511334-5 

    Dark Gray/Orange - 2X-Large

    Mfg PartNum: A17511334-6 

    Ordered by Most Relevant First
    5 stars
    4 stars
    3 stars
    2 stars
    1 stars
    Reviewed 1/18/2021
    by Sheriff
    Cycling Enthusiast
    Spokane, WA
    Value Rating
    Overall Rating
    I like the fitted cut of the jersey

    Great style with the trim fit and great color choices. I have the gray and blue jerseys. I ordered the XL, it fits perfectly. I am 6'3", 32" waist, 44" chest, built like a swimmer at 195 lbs. Sleeves are nice and long with cuffs so no cold air up your sleeves.

    This jersey is a good mid layer under 50 degrees F. It breaths really well, but note that it doesn't really stop the wind. I'd ride with a mid layer vest with this jersey if it is not wet out and in the 40 to 50 degree F range. I use a wind stopper jacket or vest with it too if it is wetter out.

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    Reviewed 11/27/2020
    by Mike
    Cycling Enthusiast
    Value Rating
    Overall Rating
    Excellent Wide Temperature Range, Comfort & Quality

    I bought this a month ago & have a few rides now. Really happy with fit & feel. Feel is so soft on the brushed interior very comfortable. Also warm enough for me & if it starts to heat up later in day all that is needed is to open the front a bit. For me 173cm tall & 68kg with 96cm chest Medium was a perfect fit & actually I could probably go down one as jersey if stretchy but not loose flappy in anyway so Medium is fine & Castelli size chart was spot on in my case I bought the Military Green?yellow & it goes beautifully with some Yellow shoes I have :) Very Happy with this jersey & will now grab another color too!

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    Reviewed 12/14/2020
    by Redwoods
    Overall Rating
    Awesome cool weather kit

    Great fit and warmth. I run warm, and this jersey is good in the 40s with summer base layer, and down into the 30s with long sleeve winter layer. Add a gillet and it's even better.

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    Reviewed 11/13/2020
    by Bill
    Topeka, Kansas
    Value Rating
    Overall Rating
    This jersey is perfect in every way

    Great fit, texture of material against the skin super comfortable, all around a great Jersey

    Was this review useful to you? Yes/No
    Thank you for your feedback.

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    *Orders received before 3:00PM Pacific time are shipped the same day (Mon-Sat). Orders over $50 are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 53