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The perfect jacket for most conditions: wind proof, highly water resistant, stretch fit with industry leading breathability thanks to Polartec® AirCore™ fabric.
The perfect jacket for most conditions: wind proof, highly water resistant, stretch fit with industry leading breathability thanks to Polartec® AirCore™ fabric.
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N.1 in Italy in the Bike and E-Bike Shops
The Perfetto RoS 3 Jacket just might be the perfect jacket. One jacket to do it all. Windproof yet highly breathable. Essentially waterproof yet PFAS-free. Lightweight and with significant stretch for a perfect fit. It even looks premium. The magic comes from Castelli’s 15 years of development of the Perfetto (Italian for “perfect”) Jacket. The Perfetto RoS 3 represents the biggest jump since the original Gabba, thanks to the exclusive new Polartec® AirCore™ fabric with its PFAS-free semi-air-permeable membrane. In the search for constant improvement, the RoS 3 is more revolutionary than evolutionary. It’s significantly more breathable and water resistant than its predecessor. It also has more stretch than its predecessor, which allows for a close-to-body fit without feeling tight. It provides significant ventilation with zippered chest vents as well as a two-way zipper that you can open from the bottom. It is slightly thinner than its predecessor, for milder rides, but adding insulation layers can take you to very cold conditions. If your cool-weather riding includes showery days, this is the jacket for you. If you avoid rain, or take a shell for rainy days, take a look at the Perfetto Air Jacket for even more breathability.
PRODUCT FEATURES
The jacket that does it all: protects from wind and rain while being highly breathable and stretchy for comfort
Uninsulated for cool conditions, can extend to cold conditions with an extra insulation layer
Exclusive 150 g Polartec® AirCore™ electrospun air-permeable membrane gives industry-leading breathability
Reflective taped shoulder seams for extra rain protection
Top- and bottom-opening YKK® Vislon® zipper for easy sliding, covered for additional wind and rain protection
Zippered ventilation openings on sides of chest
3 rear pockets with drain holes
Longer tail for coverage from wheel spray
Reflective piping at bottom of pockets
TECHNICAL FEATURES
Insulation: 2/5
Waterproofness: 3/5
Windproofness: 5/5
Breathability: 3/5
Lightness: 5/5
Weight: 244 g
Temperature: 4°C - 14°C / 39°F - 57°F
Fit: Tailored
Polartec® AirCore®
The unique combination of air permeability and Polartec’s nano-fiber membrane lets Polartec® AirCore™ keep you dry while still maintaining the windproof and water repellency of the fabric. This state-of-the-art technology leverages air to maintain a dry microclimate by evaporating sweat from the outside-in.
RoS - Rain or Shine
We’ve engineered RoS as the no-compromise best clothing we know how to make for dry conditions, and then tried to make it as close to waterproof as possible without sacrificing breathability and ventilation.
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.
Data sheet
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Man cycling in changeable weather
Designed for cycling in cool, changeable conditions, between 4°C and 14°C, with protection from wind and light to moderate rain.
Cyclist looking for a close fit
Suitable for anyone wanting a Tailored fit with Polartec® AirCore™ 150 g fabric and stretch to stay close to the body without restriction.
Rider prioritising protection and ventilation
Suitable for those seeking a compromise between waterproofness, breathability and road visibility, with reflective details and ventilation zips.
Ideal
Road rides in uncertain weather
Manages wind and rain on cycling rides between 4°C and 14°C. The Tailored fit helps maintain a clean profile in the saddle.
Wind · Rain · Tailored fit
Very suitable
Training sessions with temperature changes
The Polartec® AirCore™ 150 g fabric and 2/5 thermal protection make it suitable for cool days, with the option of adding an insulating layer.
Polartec® AirCore™ · 2/5 · Insulating layer
Very suitable
Rides where visibility is needed
The reflective taped seams on the shoulders and reflective finishes at the bottom of the pockets increase visibility in low-light conditions.
Reflective seams · Reflective finishes · Visibility
Suitable
Rides in spray and damp conditions
The longer back section and pockets with drainage holes help manage spray and water during riding.
Spray · Rear pockets · Drainage
Road training cyclist
Cyclist attentive to microclimate management
It is suitable for 4°C - 14°C / 39°F - 57°F. In this range it offers protection from wind and rain without being too heavy.
It has a Tailored fit. It is designed to stay close to the body without feeling tight.
It weighs 244 g. This places it in the lightweight category for a technical cycling jacket.
It uses Polartec® AirCore™ 150 g. This material is suitable for a good balance between protection and breathability.
Yes, it has reflective taped seams on the shoulders and reflective finishes at the bottom of the pockets. These are useful details for rides in low light.
It has waterproofness 3/5 and reflective taped seams on the shoulders. It is designed for protection from rain and wind, not for extreme use.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.
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