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Castelli Costante Wool Long Sleeve Jersey

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Item # CST0650

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Item # CST0650


Steel, leather, cork, and wool. These materials have remained a constant throughout nearly all of cycling's history, and for good reason. They wear like iron, last all-but-forever, and provide dependable comfort on even the longest rides. The Castelli Costante Wool Jersey combines the styling of yesteryear with technology and fit of modern-day cycling clothing.

  • Two button-through pockets on the rear hold your spare tubular or a panini
  • Quarter-length zip allows for easy venting on long uphill stretches
  • Washable wool is easy to care for, and naturally odor-resistant

Tech Specs

2 rear button closure
100% wool
Recommended Use:
layering, cycling, sipping expresso
Manufacturer Warranty:
30 days

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Here's what others have to say...


great sweater, typical wool issues

    The sweater is beautiful to look at, but I'm worried about durability, particularly where the back pockets are sewn. I've had wool jerseys fail before at this seam area, and this doesn't look to have enough reinforcement, especially given the relatively loose weave of the sweater itself. So I won't use the pockets, which limits its use somewhat. But I have worn it and love it. It is perfect with a wicking t-shirt for rides above 60 degrees and excellent as an midlayer when its colder. Again, the only problem for solitary use is that I don't feel I can use the pockets (the other problem with wool garments like this is when the pockets are full, the garment sags way more than synthetics, making stuff bounce around on one's butt while pedaling). Overall, though, I'm very happy with the sweater, especially at half price. Not worth full price to me.


    Costante Jersey

      Using this as a mid layer for cycling through New York Winter. Great quality, looks great, and it is warm and soft just like merrino wool should be. So far, no problem washing it using usual wool precautions. I like it so much that I bought another one and often wear them around the house just because they are that comfortable.

      I am a lean 6'1" and 160 lbs and the medium fits me perfectly.

      Made in China.

      never owned a wool jersey. do a good amount...

      never owned a wool jersey. do a good amount of 40 degree riding. would this jersey work for that? any info.

      The issue always with wool is wicking. Wool absorbs moisture. if real cold, and no sweat, no worries. If sweating, there's the rub. If you wear a wicking base, that may solve the issue. At least it will get the sweat off your skin.

      Best Answer

      I've been wearing wool for more than 30 years, and have watched it fall out of fashion, and lately, become quite trendy. Different weights give you different amounts of warmth, and the weave determines how well it vents when you get too warm and sweaty. Wool has 2 great properties: it keeps you warm even when damp (more warm than synthetics, anyway), and it resists smells. I've got different base layers and jerseys for different temperatures. For this jersey, there's not enough information to tell the exact temperature range, but if it's like other long-sleeve wool jerseys, it would probably work in the 40s with a base layer and a top wind layer, the 50s with either a base layer or a wind layer, and the 60s and low 70s on its own. The other important information that's left out of the description is whether its made of merino wool. Merino isn't itchy or scratchy.