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Castelli Merlin Training Jersey

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Item # CST2736

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Item # CST2736


To some, a pairing of Merlin and Castelli might seem a bit odd. After all, Merlin built its legacy in Massachusetts, while Castelli is widely known as the quintessential Italian cycling apparel manufacturer. However, we don't see the two at odds. Instead, we see a dedication to perfection as having no borders or nationality, which creates a natural equilibrium here in the Merlin Training Jersey.

For the construction of the Merlin Training jersey, Castelli employed its Procool Plus fabric. This material is woven with a controlled stretch that adds to the overall race-fit and support of the jersey. For moisture management and thermo-regulation, Castelli also gave the jersey its patented Prosecco treatment. Essentially, process is a topical, hydrophilic treatment that spreads moisture out over a large surface area for rapid evaporation. Ultimately, it keeps you cooler and drier over the duration of a long, hot ride.

In terms of fit, inset raglan sleeves add to the comfort of the Merlin Training jersey by providing an ideal anatomical fit. Additionally, this design feature eliminates any fabric bunching under your arms. To keep the jersey in place, Castelli incorporated an elastic waistband that prevents rise when you're in the drops, and sagging when the pockets are loaded. A full-length YKK zipper also runs the course of the front panel. So, you're able to control your temperature on-the-fly in order to prevent overheating.

At the rear, three pockets provide ample storage for your ride essentials. And in terms of design, Merlin logos and iconography on the back, front, and sleeves of the jersey let your fellow riders know where you frame allegiance lies.

The Castelli Merlin Training Jersey is available in the color Black and in five sizes from Small to XX-Large.

Tech Specs

3 back
spring, summer, fall
Pro Cool Plus
form fit
Recommended Use:
road cycling
full-length front zipper
Manufacturer Warranty:
30 days

Size chart


Men's Apparel
 Small Medium Large X-Large 2X-Large 3X-Large
Chest  35.5 - 37in
(90.2 - 94.0cm)
37 - 38.5in
(94.0 - 97.8cm)
39 - 41in
(99.1 - 104.1cm)
41 - 43in
(104.1 - 109.2cm)
43 - 45in
(109.2 - 114.3cm)
45 - 47in
(114.3 - 119.4cm)
Waist 29.5 - 31.5in
(74.9 - 80.0cm)
31 - 33in
(78.7 - 83.8cm)
33 - 35.5in
(83.8 - 90.2cm)
35.5 - 37.5in
(90.2 - 95.3cm)
38.5 - 40.5in
(97.8 - 102.9cm)
41 - 43in
(104.1 - 109.2cm)
Hips 36.5 - 38.5in
(92.7 - 97.8cm)
38 - 40in
(96.5 - 101.6cm)
40 - 42in
(101.6 - 106.7cm)
42 - 44in
(106.7 - 111.8cm)
44 - 46in
(111.8 - 116.8cm)
46 - 48in
(116.8 - 121.9cm)
How to Measure:
For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Measure around your natural waistline, keeping the tape a bit loose.
Measure around the fullest part of your body at the top of your legs.
Using pants that fit well, measure the crotch seam to the bottom of the leg.

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Here's what others have to say...

How's the fit of this jersey, is it race or club? I wish you have an XL but I am hoping the L might fit me based on the cut of the jersey.

Chris, for Castelli, "form fit" is much like other brands' race fit. Additionally, Castelli tends to fit small with a very "euro" or slim cut. Hit me up directly with any other questions.


Merlin Castelli Jersey.

  • Familiarity:I've used it several times
  • Fit:True to size

Love my jersey, I have Merlin and this jersey show off my pride in the bicycle I ride. Castelli makes good stuff so you are getting a nice piece, I purchased matching bibs to go with jersey and love both bibs and jersey !