Castelli - Nano Flex Pro Race Bib Short - Men's - Black - 2024

Castelli - Nano Flex Pro Race Bib Short - Men's - Black

You could call this a "convergence" product. A few years back we pioneered the first Omloop thermal short, inspired by pro riders cutting off their knee warmers to just the bend of the knee at the Omloop Het Nieuwsblad on a brisk sunny morning. We set about making a bibshort cut right to the bend of the knee and realized that we could make it without a gripper elastic and that the extra 10 centimeters of fabric add a lot of warmth. Those first Omloop shorts were made for cool, dry conditions, like the race that inspired them, using our Thermoflex fabric. Fast-forward to 2020 and the new third generation of our Nano Flex fabric is as soft, stretchy, breathable and warm as our Thermoflex fabric, so now we can make this short ideal for cool and dry conditions, but it's also excellent on wet days. It's still a pro tool: this short is identical to the model supplied to Team Quick Step-Alpha Vinyl.


Nano Flex 3G fabric is water repellent, stretchy and warm thanks to the luxuriously soft brushed inside

Reduced seams for comfort and to prevent water from coming in during wet rides

Knee-length cut for extra warmth that doesn't require a gripper elastic

Mesh bibs don't add warmth to the upper body so you can dress for the conditions

Progetto X2 Air seamless seat pad for long hours in the saddle

The Brand:

Castelli has been passionate about the cycling world since the very beginning. They have had an innovative eye even way back in the 1900's. They have been a well known brand in the cycling world for so long that it would be practically impossible to not know their name. Everyday Castelli looks towards the future to freshen up their designs and be a leading company for all cycling events. You would have to be living under a rock to not know their name and to miss out on their top products. 

Call us today at MyTriathlon on 0207 183 4116 or contact us via WebChat for friendly, expert advice and for answers to any sizing or specific product queries you may have.