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Conquer winter in shorts

You simply can't beat the feeling of quality bib shorts. Unfortunately, they usually aren't practical to wear year round. However, Castelli has changed this with its Nanoflex Bib Shorts. With a fleecy lining and a water-resistant exterior, the Nanoflex Bib Shorts answer the call of the winter with resounding vigor.

Castelli's Nanoflex Bib Shorts are made from the exclusive Nanoflex fabric. Nanoflex is a water-resistant version of Castelli's ultra-warming Thermoflex fabric. The transformation process occurs when the Thermoflex fabric is coated with millions of nanofilaments to create a water-repellant surface. Water beads and slides when it comes in contact with Nanoflex, and, all the while, the Nanoflex Bib Shorts retain their warmth and wind-blocking prowess. Besides protecting you from rain and snow, the Nanoflex Bib Shorts give you the benefit of having lightweight, stretchy shorts that warm like a light jacket on your legs, and fit like you're off to the races. The Nanoflex also features a fleecy inner-lining that traps a layer of warm air on your skin while it wicks away moisture to the quick-drying Nanoflex surface. This process provides consistent warmth and dryness that you'll appreciate when it's in the 40s. The Nanoflex adds extra comfort by incorporating breathable mesh bib straps and the Kiss 3 pad. The Kiss chamois uses a seamless construction of brushed microfiber to avoid any chafing, and the pad is anatomically shaped to help follow your movements. The Kiss 3 also features a variable density design with more padding where you need it, and less where you don't. For winter use, we recommend covering up all of that exposed surface area with Castelli knee or leg warmers.

The Castelli Nanoflex Bib Shorts are available in six sizes from Small to XXX-Large and in the color Black.

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Here's what others have to say...

5 5

swl

Member since 

Referring to Brian's post, I am about 140 lbs with a 34" inseam and these bibs fit great. The longer inseam gives me coverage that I usually can't find.
A medium fits me fine. The chamois works well and has plenty of thickness but does not bunch up.
I hate that they are more suitable for cold weather or I would buy several for year round.

5 5

jho5860729

Member since 

I rode with these new bibs in 45 degree weather. I usually wear a large (170 lbs, 5' 10"), and these larges are pretty snug. The leg grippers are somewhat loose to allow for leg warmers to be worn underneath. I didn't experience any slip down of the leg warmers which has happened with other bibs. The fleece keeps you warmer than standard bibs and I was very comfortable in the temperature. I could see these being too warm in temperatures above 65.

What is the difference between these bibs...

brian

Member since 
Posted on

What is the difference between these bibs and the Claudio bib short?

RKB

Member since 
Responded on

I was wondering the same thing; I have the Claudios and love them, but want to make sure the fit hasn't changed before I order these.

RKB

Member since 
Responded on

I guess I'll answer my own question. The bibs have a fit that is very similar to the Claudio. The cut is not exactly the same, but very close. However, where the Claudio bibs used the silicone gripper on the inside of the leg to keep them in place, these bibs use the Giro++ (I think that's what they call it), which attaches at the end of the leg. The material for the legs seems to be cut to the same length as the Claudio, but with the Giro++ gripper they end up being about 2 inches longer. First impression was that they were almost comically long. I'm 5'9", 138 lbs, and the medium fits great everywhere, but this leg situation might be a deal-breaker. They would be fine if you were 140lbs with a 34" inseam and relatively short torso.