Note: Castelli size their clothing small. For the best fit, go up one size
Claimed to save 12 watts at 40km/h over a standard jersey, the Castelli Free AR is a high performance piece of kit. The Free AR 4.0 blends the perfect fit and breathability for one of the best all-round summer jerseys for 2015. With a number of colours to choose from, and being part of the 2015 Kit line-up you can get complete the look.
A silicone gripper at the waist ensures the jersey stays fixed and doesn’t ride up. There are also Giro3 elastic arm holes for a flat and aero fit. Mesh material on the back helps to cool you down on hot and sweaty rides.
If you’re looking for an aero short sleeve jersey for performance and comfort, then this is a great option.Features
Saves approximately 12 watts at 40 km/h compared to a normal race-fit jersey
Velocity Dry fabric on front and shoulders for improved wicking and faster drying
Full-length YKK® Camlock zipper
Nervato fabric at arm holes for improved aerodynamics
Silicone gripper elastic at waist
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.
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!
What are cycling jerseys?
Cycling jerseys are much more than just a t-shirt – they’re cut for your shape on the bike, plus they wick well and dry fast to keep you comfortable.
Who needs a cycling jersey?
Any cyclist will benefit from a jersey. They don’t hold onto sweat like normal clothing, so you’ll be more comfortable. They also have pockets in all the right places for riding a bike.
What are the choices?
You can get long sleeve or short sleeve jerseys to suit the seasons. Also, mountain bike jerseys are cut looser than road jerseys if that’s the look you prefer.
What should I buy with it?
Jerseys work best if you layer them over a base layer. The base layer transfers sweat quickly from your skin and keeps you warm in cold weather. Arm warmers are also great to extend the wearability of your short sleeve jersey well into autumn.
Jerseys usually have one or more pockets on the back. Make sure yours has adequate space for everything you need to carry on the bike.
See our Cycling jersey guide for more.
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 value.
Please note: bulky products and bikes shipped to outlying UK regions are excluded from free shipping - Click here for more info.
Christmas is one of the busiest time of year for us at Tredz. We will try our best to get your products delivered before Christmas. To help you, please see our last postage dates for first class and 24 hour courier services below:
Any order dispatched on the 22nd & 23rd December will be delivered between 28th December and 30th December.
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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).
For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.
For more information please visit our Returns & Warranty page.