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Capo took its best-selling SC-12, overhauled it, and is now introducing the refined product as the GS-13 Jersey. The GS-13 (short for 'Gruppo Sportivo') uses highly technical fabrics that combine advanced anatomic design, muscle support, and thermal regulation properties with the streamlined race fit that you've come to expect from Capo.

Capo constructed the majority of this jersey with its new Carbon ES fabric, which is a highly elastic, dual-knit microfiber polyester with visible antimicrobial carbon-core threads running throughout. Carbon threaded fabrics are known to enhance circulation, with the added benefit of keeping odor in check -- something that you and your riding partners will greatly appreciate. The Carbon ES material also accelerates moisture transfer and drying time, while keeping you effectively shielded from harmful UV rays.

The elastic HydroStretch shoulder panels yield a super contoured fit and contain an active hydrophilic treatment that pulls moisture up and away from your upper back and shoulders. The GS-13 jersey's underarms use contrasting Eyelet Mesh microfiber panels that have a distinct waffle-like texture. This creates a fine-gauge surface that's raised off of your skin. Essentially, this means that you have built-in air vents that keep you cool and expedite drying time.

In the fit department, longer sleeves with a new paneling design provide better coverage and aerodynamics than the SC-12. Additionally, the GS-13 is also cut for a more aggressive riding position that keeps the torso panels short and eliminates excess material around your midsection.

The jersey's full-length zipper with self-locking slider makes one-handed adjustments a simplified affair. While you're climbing, leave the slider in the upright position, and you'll be able to open the zipper with a free hand. At the top, flip the slider down to keep it locked in place. No more wasted energy fumbling for proper ventilation.

Three back pockets hold your tools and extra gear, and the silicone waist keeps the fit of the jersey secure.

The Capo GS-13 Jersey is available in five sizes from Small to XX-Large and in the colors Black, Navy, and Red.

  • Reviews
  • Q & A

What do you think about this product?

Have questions about this product?

red is very RED

  • Familiarity:I've put it through the wringer

Me: 6ft2, 162lbs, 31in waist

Fit is excellent. Only issue is the zipper is hard to operate with one hand. On $50 jersey, I don't mind. On a $200 jersey, I expect perfection.

Just wondering if the rear pocket are high...

Just wondering if the rear pocket are high like the gs-12 jersey or if they fixed the problem and lowered it to be reachable when riding.

We checked with Capo for an answer to this question. Here's their response:;

The cut of the jersey is very similar to the SC12, pockets are a bit high because the torso length of the jersey is short. It keeps it from bunching up.

The difference would be that the fabric on the GS 13 stretches a lot more than the SC12. So, reaching in will still be high, but getting items in and out is much easier.