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N.1 in Italy in the Bike and E-Bike Shops
Racing in the Alps in July is for a select few, but the products that come out of that experience are absolutely amazing for the rest of us. We made this jersey for hot days in the high mountains, based on direct feedback from the pros. They wanted a jersey to keep them cool on hot days without sacrificing aerodynamics. The Climber's 4.0 Jersey uses the same CFD-based seam construction as our Aero Race 8S Jersey, but we've used the most aerodynamic 3D mesh fabrics we could find for optimal cooling. These fabrics also have a great soft and stretchy quality to them, giving this jersey a comfortable fit too, which you need for big days in the mountains. And since this jersey is meant to be used in the sun, we've also made sure the fabric on the back blocks 90% of UV rays.
PRODUCT FEATURES
CFD-based fabric placement and seam construction
Engineered rapid cooling, light weight, and aero efficiency
Airflow shoulder construction
Flusso 3D fabric on front
StradaPro 3D back for breathability
Elbow-length stretch sleeves with raw-cut edges
Elastic around waist to keep jersey in place and support pockets
YKK® Vislon® zipper
UPF 13
TECHNICAL FEATURES
Insulation: 1/5
Waterproofness: 1/5
Windproofness: 1/5
Breathability: 5/5
Lightness: 5/5
Weight: 119 g
Temperature: 22°C - 40°C / 71°F - 104°F
Fit: Race
ROSSO CORSA
Our Rosso Corsa label is only applied to the highest-level products we make. Every thread and fiber, every curve and contour is obsessed about. Rosso Corsa represents a categorical breakthrough in cycling innovation and the meticulous craftsmanship you expect from Castelli’s performance-enhancing apparel.
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