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Summit+ exclusive
Sinergia 3 Full-Zip Long-Sleeve Jersey - Women's
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Zip up, warm up, and get after it in the Sinergia 3 Full-Zip Long-Sleeve Jersey
What Our Gearhead® Experts Are Saying:
"I've had this in rotation through a whole fall of cooler morning rides, and it just quietly does its job every time. The zipper glides easy when I need to vent on a climb, and the rear pockets hold everything I need without ever feeling crowded."
Fall and spring riding don't need anything flashy, just a layer that shows up and does the job right, and Castelli built the Sinergia 3 Full-Zip Long-Sleeve Jersey to be exactly that. We love reaching for this on a cool morning, knowing the warmer fabric will carry us through without a second thought about the temperature.
A lightweight YKK Vislon zipper slides easy whenever a climb calls for venting, and three rear pockets with a gripper elastic waist keep gear secure and in place through every mile. This is the jersey that becomes the foundation of a shoulder season kit, dependable enough to reach for again and again.
Details
- Foundation thermal jersey built for fall and spring rides
- Warmer fabric delivers reliable performance in cool conditions
- Lightweight YKK Vislon zipper slides easy for quick venting
- Three rear pockets carry gear for longer rides
- Gripper elastic waist keeps the jersey from riding up
- Item #CSTZ85X
- Material
- synthetic
- Fit
- form-fitting
- Zip
- full-length
- Season
- spring, fall
- Pockets
- 3 rear drop
- Manufacturer Warranty
- limited 2 year
- Activity
- road cycling
Related Categories
Frequently Asked Questions
What conditions suit the Castelli Sinergia 3 Full-Zip Long-Sleeve Jersey for women?
Its thermal fabric is designed for cool spring and fall road rides around 12–18°C / 53–64°F. Add a protective layer when conditions are wet or colder.How should I choose a size in the Castelli Sinergia 3 women’s jersey?
It has an anatomical cycling cut, listed as regular fit by Castelli and form-fitting by Backcountry. Choose using the women’s measurements—for example, size M corresponds to a 89 cm chest, 73 cm waist, and 97 cm hips; size up if between sizes.How do the zipper and pockets work on the Sinergia 3 jersey?
The full-length YKK Vislon zipper lets you vent during climbs or harder efforts, while 3 rear drop pockets carry ride essentials. Gripper elastic at the waist helps keep the jersey in place.What fabric and weight does the Castelli Sinergia 3 use?
The jersey is made from synthetic thermal fabric, reported as 100% polyester, and weighs 264 g. It’s intended as a cool-weather cycling jersey rather than a waterproof shell.How should I care for the Castelli Sinergia 3 Full-Zip Long-Sleeve Jersey?
Machine wash it at 30°C and tumble dry on cool; wash with similar colors. Avoid bleach, ironing, and dry cleaning.









