Sorry, unfortunately this product is currently out of stock

Other customers purchased instead

Castelli Free AR 4.1 Jersey


Size Guide

Castelli Men's Clothing Size Guide
  S M L XL 2XL 3XL
Chest (cm) 92 96 100 105 110 115
Waist (cm) 80 84 88 93 98 103
Hips (cm) 94 98 102 107 112 117
Inseam (cm) 82 83 84 85 86 87


Castelli Shoe Cover Size Guide
  S M L XL 2XL
Men's/Women's EU Size 39-40 41-42 43-44 45-46 47-48


Castelli Men's Socks Size Guide
  S/M L/XL 2XL
Men's Shoe Size (EU) 35-39 40-43 44/47


Castelli Gloves Size Guide
Men/Women <17cm 17-20cm 20-23cm 23-25cm 25-27cm >27cm


  • 4 instalments of £12.11 with clearpay Learn more

  • 6 weekly payments from £8.07 with laybuy Learn more

Live Chat

Average connection time 25 secs

Average connection time 25 secs

One For All

This Jersey Is An Evolution Of Our Top Pro Racing Jersey From Just A Few Year Back. It’S Also Our First Aero Race Jersey That Didn’T Get Retired When The Next Generation Of Faster, More Aero Jerseys Came Along. The Aero Race 4.0 Jersey Was Very Fast But Also An Amazing Mix Of Classic Good Looks And A Stretchy Fit That Works On A Lot Of Body Types, Not Just The Skinny Racer. For The 4.1 Version We’Ve Taken It A Different Direction, Away From Pro Racing, By Giving It The Convenience Features That Seamed Superfluous When We Designed The 4.0 To Win The Giro D’Italia. This Updated Jersey Gets A Zippered Rear Pocket, A Flap Behind The Zipper To Protect Your Neck, Updated Velocity Dimpled Fabric On The Front And An Angled Pocket For Easier Access. This Makes It The One Ideal Jersey For All Your Rides, Whether You’Re Sprinting For The Win Or Trying To Survive The Sunday Group Ride.


  • Saves Approximately 12 Watts At 40 Km/H Compared To A Normal Race-Fit Jersey
  • Velocity Dimpled Fabric On Front And Shoulders For Improved
  • Wicking And Faster Drying
  • Full-Length Ykk® Vislon® Zipper With Neck Protector
  • Nervato Fabric At Armholes For Improved Aerodynamics
  • Silicone Gripper Elastic At Waist
  • Mesh Raw-Edge Arm Grippers
  • Zippered Rear Pocket
  • Reflective Heat-Transfer Viz Strips

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is: .

How will I know it has been sent?

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing My Account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

Customer Reviews

Overall Rating : 5.0 / 5 (1 Reviews)
  • 1 5 star reviews
  • 0 4 star reviews
  • 0 3 star reviews
  • 0 2 star reviews
  • 0 1 star reviews

Top Customer Reviews

Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.

Stunning jersey

This is close to the perfect jersey. The cut is fantastic and the sleeves are the best I have ever seen. Light, airy and body-hugging, it makes you feel like pro. I wish I had gone for black or white because the steel blue is an odd colour, but that is not a problem for most. Don't hesitate, buy it and you will be happy