Castelli GPM Full-Zip Long Sleeve Jersey

Priced: $62.97 - $99.95 Rated:   - 5 stars out of 5 by 7 reviews.
Castelli GPM Full-Zip Long Sleeve Jersey
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Color: Deep Blue
Available Colors:
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Castelli GPM Full-Zip Long Sleeve Jersey -

With more subdued styling than some of the Italian company's other offerings, the Castelli GPM Full Zip Long Sleeve Jersey is the perfect choice for cooler days when you want to look and feel comfortable.

Constructed in solid colors with just a touch of grey around the wrists and neck, the GPM Jersey uses Castelli's popular Warmer fabric to produce a long sleeve jersey that insulates yet breathes to allow moisture to evaporate -- you'll stay warm and dry.

The GPM Long Sleeve Jersey comes with a full camlock zipper that stays flat when the zipper head is down as well as an elastic gripper around the back of the waist to keep the jersey from riding up while riding. Three rear pockets are spacious enough to hold spare tubes, gloves, and food, while a small zippered side pocket is perfect for your keys. Two rear reflective tabs complete the package, offering a bit of extra visibility for riding in low-light conditions.

The Castelli GPM Full Zip Long Sleeve Jersey is available in five solid colors -- Black, Cyan, Green, Red, and White. It has subtle wrist and neck detailing and an embossed tone-on-tone Castelli scorpion logo on the jersey's left shoulder. The GPM Jersey comes in six sizes from Small through XXX-Large. It's designed to be form-fitting as the technical fabrics used to construct the jersey work best when in close contact with your body. Be sure to check the sizing chart to ensure proper fit.


  • Warmer fabric provides warmth and moisture wicking to keep you comfortable


  • Three rear pockets and an additional zippered key pocket securely stow all your essentials


  • Silicone grippers keep the jersey in place when you're hammering
Paragon Sports
GPM is the acronym for Gran Premio delle Montagne, or the Italian King of the Mountains. And while this isn’t Castelli lightest jersey, it combines light weight with the innovative comfort of seamless arm and neck bands, a feature developed initially in seamless base layers. A classic look, reinvented with the latest technology.
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Average Price History: Price History
Review RatingNumber of Reviews
Antimicrobial :No
Fit :Tight to body
Hem :Seamless arm and neck bands
Material :Stratus fabric with Proseco treatment
Pockets :Yes
Zippers :Yes

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Castelli GPM Full-Zip Long Sleeve Jersey Reviews:


This jersey has a great fit when you finally settle on the right size. The sizing chart suggested I was within the margins of a medium. It arrived and was way too small. The large fits me perfectly. So take the recommendation of going up a size seriously. I'm a medium in American sizes and a large in Euro sizes. That has been consistent across a number of brands, including Castelli, whether it's a bib short, jersey or jacket. The fit of this jersey is trim but comfortable. The neck and cuffs fit snug and keep out drafts. It has a nice soft feel due to the fleece inside. Very comfortable to cycle in when it gets down below 60, say. Generally, Castelli's weakest element of their garments are their zippers. This one works well so far, but it doesn't appear to have gotten any special attention from the Design Dept. I got the cool superman blue with red trim. A relatively understated design for Castelli, which I like. One of the few jersey's of theirs I feel comfortable wearing in public.

King Mt. at on 11/06/2011

I bought these and RMA'd them after deciding I wasn't crazy about the zipper and the jersey itself. I purchased the large ones in red. The zipper construction seemed cheap and wasn't solid like I've seen and felt in other products including Castelli.
As for the fit, Im 5'10", 155lbs, 32-33" waist with an arm length of 32/33. They seemed to be a bit long in the arms. I believe they would offer plenty of arm coverage for when you're hammering in the drops. The fleece material inside seems really comfortable and the jersey otherwise felt snug.
Just because I wasn't crazy about it doesn't mean you will be too. I love Castelli products but this one just wasn't for me. Hope this helps.

Christopher Massa at on 03/11/2012

I live in Massachusetts so the winters are pretty intense. I searched the site for a thermal jersey and only Louis Garneau has long sleeve jerseys that are labeled as "thermal". Castelli's Warmer fabric is Castellis warmest fabric evidently and IS thermal. Under 40 degrees you'll need a windproof shell but this jersey performs very well at keeping you insulated. Don't jump up too many sizes because the thermal fabric needs to be in close contact with your skin. I'm 6'3 230lbs. and wear an XL.

Rob at on 01/17/2013

Fits great. Good for my lanky body. Just order a size up like everyone is saying. I got the booger green one. You'd have to be drunk AND retarded to hit me on the road. It's simple but has enough small detail to not be completely bland. Warm enough for Southern California cold.

et.4468444 at on 04/07/2012

Love this jersey! The inside seems to have a light fleece that I really like. When I wear a long sleeve jersey I like it a little warmer. This jersey is it! Quality logos, zipper and the colors are eye catchers.

Sheikable at on 04/12/2012

Jersey feels warm and comfortable. XL fits well (6ft tall), but I wish it were a bit more form-fitted. The quality of the stitching seemed bad at first glance, but so far it is holding up.

scritturamista at on 10/13/2012

Very comfortable jersey. A little small for my.

Ivan at on 08/27/2013