Maillot Castelli Climber's 4.0 Navy Blue White

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Castelli Climber's 4.0 Jersey

Discover excellence in performance with the Castelli Climber's 4.0 jersey, designed to maximize your aerodynamic efficiency and cooling during the most demanding climbs. Light and breathable, this jacket is your perfect ally to face high temperatures.

  • Material: Bluesign® certified fabrics for a lower environmental impact.
  • Knitting technology: Flusso 3D on the front, StradaPro 3D on the back.
  • Breathability: StradaPro 3D back for optimal ventilation.
  • Water resistance: N/A.
  • Fit: Race slim fit, elastic sleeves, elastic waist.
  • Weight: 164 g, ideal for temperatures from 22°C to 40°C.
  • Specific technology: CFD-based fabric distribution, Airflow shoulder structure, YKK® Vislon® zipper.

Reach the summit in style: Castelli Climber's 4.0 Jersey

The Castelli Climber's 4.0 jersey redefines the concept of high-performance clothing for demanding cyclists. With a design focused on aerodynamic efficiency and superior cooling, this garment is your best companion to conquer the peaks on the hottest days.

Revolution in Fabric

With the innovative combination of Flusso 3D on the front and StradaPro 3D on the back, the jacket guarantees unprecedented breathability and optimized aerodynamics.

Superior Breathability

The StradaPro 3D back structure facilitates effective ventilation, keeping you cool as you climb.

Unparalleled Fit and Comfort

A precise Race fit, complemented by elasticated elbow-length sleeves and smart elastic at the waist, ensures the jacket stays in place, adapting to your movements without restriction.

Details that Make the Difference

From the strategic fabric distribution based on CFD studies to the use of a high-quality YKK® Vislon® zipper, every detail has been carefully selected to give you performance and durability.

Sex
Men
Color
Blue
White
4524006424-M
8056006112829
2025-09-23

Product Availability

Most of our items are in stock and marked on the product page as "Available. Immediate shipping".

For items with size variations, this information will appear once the appropriate option is selected. If we do not have immediate stock, the estimated delivery time will be shown. We keep this information up to date and work hard to deliver your order as soon as possible. If the item is unavailable, you can subscribe to an alert to be notified once it’s back in stock.

Payment Methods

We accept card payments, PayPal, Klarna, Amazon Pay, among others. Once received and confirmed, we will process your order and begin preparation.

Shipping and Costs

We offer free shipping on most of our orders. For purchases over €100, shipping is free to countries such as Belgium, France, Germany, Luxembourg, the Netherlands, Portugal, and Spain. We do not ship to the Azores, Madeira, the Canary Islands, Reunion Island, or Guernsey..

Returns Policy

We want you to be completely satisfied with your purchase, so you have 30 days to return your order, as long as return conditions are met. You can find more information about exchanges and returns here. For hygiene and safety reasons, returns of unsealed and/or activated electronic products, food items, swimsuits, and wetsuits are not accepted. See details here.

Size Exchanges

For size-specific products, please refer to the size guide on the product page to choose the best fit. If you need a different size upon receipt of your order, you have up to 30 days to request a change. Follow the steps detailed here

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