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Castelli Free AR 4.1 FZ Short Sleeve Jersey
Just a few years ago the Castelli Free AR 4.1 Jersey was our to go to full race jersey. Times change and our racing offerings are now even racier but the 4.1 was such a great jersey we updated it to become the best all-round jersey it was possible to make. Its still has a great aero profile saving 12 watts over a standard jersey at 40kmph. but it fits a much wider range of cyclists thanks to its anatomical cut panels and stretchy fabrics. It has a higher collar than a pure race piece - but with a z top that hides the zipper for greater comfort. We've added a zipper pocket for your cash or keys. And in this Summer 2018 Printed version, we have a bold new graphics approach that matches the Free Kit shorts socks and cap with the same name.
Key Features:
- Castelli AR 4.1 (sublimation printed) all the benefits of Castelli's best ever jersey blending aero real-world performance in a comfortable jersey any cyclist can wear with a unique printed "Kit" design.
- Saves approx 12 watts at 40km/h compared with a regular jersey
- Velocity dimpled fabric on front and shoulders for improved wicking and faster drying
- Full-length YKK Vislon zipper with neck protector (this is Z-shaped and asymmetrical)
- Nevato fabric at armpits for improved aerodynamics and breathability
- Off-set z collar for extra comfort
- Silicone gripper at waist
- Mesh raw edge arm grippers
- 3 open rear pockets and additional zippered security pocket
- Reflective heat transfer Viz strips
- Weight 123 g (L)
Occasionally, without notice, manufacturers change product design and/or specifications.
Castelli Clothing Sizing Guide
Use the Castelli size chart to find the best fit for you.
Note: Castelli size their clothing small. To ensure an optimal fit it is recommended you go up one size, compared to your normal cycle clothing size.
Castelli Men's Sizing
| S | M | L | XL | 2XL | 3XL | |
| Chest | 92cm | 96cm | 100cm | 105cm | 110cm | 115cm |
| Waist | 80cm | 84cm | 88cm | 93cm | 98cm | 104cm |
| Hips | 94cm | 98cm | 102cm | 107cm | 112cm | 116cm |
| Inseam | 82cm | 83cm | 84cm | 85cm | 86cm | 87cm |
Castelli Women's Sizing
| XS | S | M | L | XL | |
| Chest | 79cm | 84cm | 89cm | 94cm | 99cm |
| Waist | 63cm | 68cm | 73cm | 78cm | 83cm |
| Hips | 87cm | 92cm | 97cm | 102cm | 107cm |
| Inseam | 75cm | 76cm | 77cm | 78cm | 79cm |
Read our clothing size guide for more information on sizing.
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