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Castelli Mortirolo 4 Windproof Cycling Jacket

Now £79.99
Save 54% RRP: £175.00
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This item is available for Christmas Delivery
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Note: Castelli size their clothing small. For the best fit, go up one size

Product Description

The Castelli Mortirolo 4 windproof cycling jacket is ideal for dry winter riding. For some riders, winter riding also includes speed work or even intervals when preparing for a cyclocross race or an early-season Ironman next spring.

No danger of overheating due to the cleverly placed fabrics, protective Windstopper and breathable panels. As spring gets closer you'll appreciate the zippered chest vents - especially when overambitious riding pals are sprinting for town signs or fighting for KOM glory.

Of course, the Mortirolo jacket is also great if you're just cruising around in endurance mode by yourself.

High intensity in cold weather?

Yep, this jacket keeps you warm but also vents a lot of moisture out the back thanks to the Thermal Warmer fabric.

Lower intensity in mild conditions?

Yep, just open up the zippered front vents and use a lighter base layer. The only real trade-off here is that Castelli didn't build in real water repellency other than the Gore Windstopper on the front, but this is a great piece for those dry fall and winter days.

Key Features:

    • Windstopper breathable panels
    • Zippered chest vents
    • Full-length zipper
    • Triple rear pockets
    • Extended rear coverage

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Castelli Size Chart

Castelli

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.

Please note, all size information is provided as a guide - if you're unsure or need any further assistance you can call us on 01792 799508 ... we're happy to help!

Windproof Jackets Guide

 

Windproof Jackets Guide

When the mercury drops most people turn to putting to layering up to keep warm. However, when you’re cycling the last thing you want is to feel like the Michelin man, bound up, inflexible and uncomfortable. As you ride you’ll get warm very quickly, wearing all those layers will make you sweaty.

Why not choose a windproof cycling jacket instead? They’re ideal for cold dry winter days with most offering some type of light rain protection as well. Windproof jackets tend to be lighter than a waterproof model and are much more breathable.

You can also check out our waterproof cycling jacket guide if you’re planning to ride in the rain. By the end of our windproof cycling guide, you should have all the info you need to buy the right jacket.


Types of Windproof Jacket

Packable Windproof Jacket
| Spring & Autumn

For cool rather than cold rides, a packable windproof jacket may be all you need to keep the chill off. These jackets are very lightweight and are usually made of a single layer of fabric. They’re only a simple barrier between your skin and the elements.

However, these jackets usually have good breathability to stop you from feeling clammy on the inside. Even if it rains, a packable will dry quickly. Most can be rolled up into a small package and will fit in a spare jersey pocket.

Lightweight windproof jacket

Softshell Windproof Jacket
| Spring, Autumn & Winter

Softshell windproof jackets have been gaining popularity for a few years now. They’re heavier than a packable to block more wind and are smooth against your skin for a comfortable feel.

Softshell jackets can be worn over a base layer or a jersey on colder rides without the need for multiple layers to keep you warm. Many are treated with water resistance for light rain protection making them a practical jacket for a wide range of UK riding conditions. You can also pair a softshell with a lightweight packable waterproof jacket for maximum protection.

Softshell windproof jacket

Fabric

The fabric is key to performance. Generally, the more you spend on a jacket the lighter and thinner the fabric will be. Breathability will improve as well, letting your sweat evaporate quickly.

Gore Windstopper is popular fabric laminating a lightweight membrane to the fabric. It’s designed to keep the wind out and will also help shed light rain too.

Other systems will include an inner lining, middle windproof membrane and then the outer layer, usually treated with DWR water repellency. This design keeps the wind out while staying breathable.

We’ve put together a technical fabric guide for clothing detailing the key fabrics from some of the biggest brands in the industry.

Gore Windstopper Jacket

Fit

Windproof jackets come in many styles, so choose the type best suited to your riding. If you plan on training or racing, then a tighter fit with minimal excess fabric will help prevent drag as you ride.

If you’re commuting or riding off-road then a loose cut with more freedom of movement is a good option.

Cycle Specific Features

Bike Jacket Drop Tail

Extended drop tail:

Keeps your lower back protected from the elements

Bike Jacket high waist

Raise waist:

Stops excess fabric bunching up and causing discomfort

Bike jacket preshaped arms

Pre-shaped (articulated) arms:

For greater comfort when in a cycling position

Bike jacket longer arms

Longer arms:

To ensure full coverage when cycling

Bike jacket waist gripper

Waist gripper:

Prevents the jacket from riding up

Bike jacket velcro cuffs

Velcro cuffs:

Offer a tighter fit to eliminate cooling breeze

Bike jacket high neck

High neck:

Provides more coverage

Bike jacket rear pockets

Rear pockets:

For stashing ride essentials, a security chest pocket is also a good feature

Bike jacket full length zip

Full-length zip:

With a good puller for easy use with thick gloves on and a zip garage to stop chafing

Delivery & Guarantee

Christmas Delivery

We will try our very best to get your products delivered to you before Christmas, but due to Santa's overspill into our delivery services, we would like to make you aware that while we are making every effort to deliver your order to you in time for Christmas, there may be a potential risk of delay.

The last date to order a bike that is available for Christmas delivery is 5pm on Tuesday 18th December. For all other items the last date to order items that are available for Christmas delivery is 12pm on Wednesday 19th December.

You can easily spot which items are guaranteed for Christmas delivery with the icon. Choose your size and colour to see if the item qualifies for Christmas delivery.

UK Delivery Information

We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE to mainland UK, regardless of the size and on all orders over £20.

Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

Please note that Pre-Order dates can sometimes change due to updated stock information.

Click here for more UK and international delivery information.

Returns & Warranty

It's easy to return a product with our 365 day, hassle free returns. 

We will give you a full refund or exchange on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

For more information please visit our Returns & Warranty page.

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