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Castelli Castelli Segno Jacket
Castelli Segno Jacket
Castelli Segno Jacket
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Please call us on +44 (0) 1978 663001 for availability.
About Castelli
Castelli Size Guide
Castelli Clothing Technology
Q & A

Key Features

Windstopper X-Fast Fabric
Warmer Fleece Fabric On Back
Silicone Gripper At Waist
Flip-Up Thermoflex Collar
Thermoflex Side Panels
3 External Rear Pockets
Reflective Tabs On Back
Weight: 440g (Large)
Temperature Range: 6-15c


The Team Connondale-Garmin and Team MTN Qhubeka pros get a full Windstopper jacket, and they say they like it. But they also have 5% body fat, or less. Some of us get too hot riding in the pro jackets which is why Castelli have made the Segno jacket with a Warmer fleece fabric on the back panel for additional breathability. This fabric allows for more air exchange and lets off heat, making it ideal for rides in milder conditions, although it can easily be worn at temperatures as low as 6°-7°.

Castelli have made the Segno jacket from Windstopper X-Fast fabric which offers total wind protection and great breathability. The fabric uses an internal brushed fleece for excellent insulation and to reduce moisture buildup. It is also treated with a DWR water-repellent finish to shed rain. For even further protection against the elements Castelli have added a flip-up Thermoflex collar which does a great job of protecting your neck from the cold air. The same collar can easily be unzipped to let in enough air to cool you down as your body heats up.

The jacket is quick and easy to get on thanks to a full length YKK Vislon zipper which also allows you to easily regulate your temperature. To give the jacket a secure, close fit Castelli have included a silicone gripper at the waist to hold the jacket firmly in place no matter what position you are riding in. No matter how far you are riding you wont have to worry about storage space as the jacket features 3 rear pockets which are great for storing all your essentials. The jacket is finished with reflective webbing on the rear pockets for added visibility in low light conditions.

Note: Please click on the above tabs for the Castelli size guide and technology guide.

Note: Castelli clothing is sized small, Tweeks Cycles recommend you select one size above normal for an athletic fit, or two sizes above if you prefer a more relaxed fit.

NB: Image for illustration purposes only

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