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Castelli Alpha Ros Womens Light Long Sleeve Cycling Jersey

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Note: Castelli size their clothing small. For the best fit, go up one size

Product Description

THE SPRING AND FALL DO-EVERYTHING JERSEY

The Alpha RoS W Jersey is that perfect weight for cool-weather riding. Offering complete wind protection from the front with a Nano Flex Xtra Dry back for extra breathability, this jersey will keep you warm without making you overheat. The Alpha double-layer front helps you manage ventilation and lets this piece go from mild conditions down to temperatures when you’d normally reach for a warm jacket.

That would already be enough to make this a great jersey/jacket. But note the “RoS” in the name. The acronym stands for “Rain or Shine,” and it’s a label we give our most advanced products that excel in both dry and wet conditions. For dry conditions, you’re looking for comfort along with breathability to keep you from getting wet and chilled from the inside. But with wet-weather clothing, you’re looking for protection that will help you stay warm by keeping the rain out and letting sweat escape. The Alpha RoS jersey ticks both of those boxes.

Both the front and back fabrics are brand new this season and represent a significant step forward in rain protection. These fabrics are used with reduced seaming, and seam sealing where necessary. We call this “functional waterproofing” because while we don’t guarantee that no drop will ever enter the jacket, we promise you that this is our best effort to keep you warm and dry in the widest range of conditions.

Key Features:
  • Lightweight double-layer wind jersey with significant rain protection
  • Windstopper® 150 front and sleeves
  • Nano Flex Xtra Dry back for the most significant nonmembrane water protection available
  • ProSecco Strada inner liner with 2nd front zip
  • Waterproof YKK® Vislon® zipper
  • Articulated collar that fits better whether you’re standing or riding
  • Side zippered pocket
  • 3 rear pockets with reflective laser-cut drain holes
  • Raw-edge waist lies flat and moves with you
  • Advanced patterning makes for excellent close-to-body fit
  • Weight: 340g

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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!

Long Sleeve Jersey Guide

 

Long Sleeve Jersey Guide

Why wear a long sleeve cycling jersey?

For those cooler rides a long sleeve jersey is what you need to stay comfortable on the bike. Some zippered road cycling jerseys have extra thermal properties for more warmth on those really cold days. While Long sleeve MTB jerseys are also a good option for a little extra warmth, some mountain bike tops are made for warmer weather riding. Popular with gravity riders these jerseys often have reinforced panels offer a little extra protection.

You can either wear a long sleeve jersey on its own or on top of a short sleeve jersey. Long sleeve jerseys come in different fits to suit specific cycling disciplines and riding styles. Like short sleeve cycling jerseys, most long sleeves also feature high-wicking technical fabrics to move sweat away from your skin.

To help you navigate the world of cycling jerseys, we’ve put together this long sleeve jersey guide, so you can find the right top for your next ride.


Jersey Fit

 

Race/Athletic Fit

Slim fitting. These figure-hugging jerseys are cut so that there is no excess material to flap about disrupting the air flow around your body as you ride. You can easily spot these jerseys by their figure-hugging design. Race fit long sleeve jerseys are ideal for road cycling as well as cross-country mountain biking.

When worn next to the skin the form fit helps to draw moisture away from the body, so that it evaporates quickly keeping you cool as you ride.

Road cyclist wearing a race/athletic-fit jersey

Loose/Casual Fit

These looser fitting jerseys prioritise comfort on the bike with less concern to aerodynamics. Ideal for mountain bike trail and gravity riding, loose fitting jerseys are usually a pullover design. Stretch fabrics make them easy to take on and off.

These MTB style jerseys also look good off-the-bike, so they are good for leisure cycling and urban cycling too.

A mountain biker wearing a loose-fitting long sleeve jersey

Articulated Construction

The best jerseys will be constructed with articulated areas that are specific for cycling. Whether you are road cycling or mountain biking you will want a jersey that fits well on the bike.

Cycling jerseys are cut slightly shorter at the front to prevent fabric bunching up and longer at the rear, so you don’t expose your lower back. This is most noticeable on race fit road cycling jerseys. You may also find jerseys with a crook built into the elbow area for a more comfortable fit on the arms.

A road jersey with articulated areas for a good fit

Materials & Fabrics

Most cycling jerseys are constructed from man-made fabrics such as polyester and / or nylon. You can also buy jerseys made from natural fibres such as Merino wool. Synthetic and natural fibres have different benefits, so it’s worth choosing a type which is best for you.

Synthetic Materials
(Polyester, Nylon etc...)

  • Quick Wicking
  • Very breathable
  • Fast drying
  • Easy care & washing
  • Durable & long lasting
  • Flexible for freedom of movement
  • Affordable
  • Get smelly quickly
A mountain biker wearing a synthetic long sleeve jersey

Natural Materials
(Cotton, Wool, Merino...)

  • Breathable
  • Soft & strong
  • Ideal for sensitive skin
    (wool can be itchy)
  • Wool retains body heat when wet
  • Naturally odour resistant
  • Does not wick quickly (Merino wool does)
  • Wool can be restrictive
A jersey made from natural fibres is highly breathable, wool also helps retain heat, even when wet

Synthetic materials are ideal for performance jerseys where you want a form fit, and you want to stay dry and cool for longer. Natural fibres are ideal if you ride at a less intense pace and you cycle daily as they don’t smell as quickly. You can also by poly-cotton jerseys which combine the benefits of both types of fibre. These jerseys won’t shrink in the wash and they’ll keep their shape and colour.


Jersey types

Long sleeve road cycling and mountain biking jerseys are quite distinct, and riders will wear them at different times of the year.

Long Sleeve Road Jerseys

  • Long sleeve for extra thermal protection
  • Close fit for aero efficiency
  • May include thermal layers to trap heat
  • Usually zipped for convenience
  • Plenty of pockets for storing ride essentials
  • Reflective trims and Hi-Viz colour options for improved visibility
A road cyclist wearing a long sleeve jersey

Long Sleeve MTB Jerseys

  • Long sleeve for protection from trail overgrowth
  • Loose cut for a comfortable on-the-bike fit
  • Breathable, high-wicking fabrics
  • Mesh panels for extra ventilation
  • Durable panels for more protection on impact zones
  • Designed to fit over body armour
A mountain biker wearing a long sleeve jersey

Finance

How do I apply for finance?

Spend £99 or more at Tredz and you can spread the cost. Pay monthly over 6-48 months, interest free (dependent on repayment terms and amount).

1Fill your basket with everything you want from Tredz and go to the checkout.

2During checkout, select the finance option you want as your method of payment.

3You will be sent to our finance provider's secure server to complete your application.

4Finance providers PayPal & V12 will use the information provided to make a decision and complete checkout if you are approved.

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Representative example: If total purchase price is £1,399.00 with a deposit of £139.90 (10%) and your selected term is 36 months Classic Credit (15.9% APR fixed), you would pay £43.55 per month. Total charge for credit will be £308.70 and total amount repayable is £1567.80, subject to terms and status.

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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