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Castelli Men

Men's Tutto Nano Bibknicker

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Punching way above its weight class, Castelli's Tutto Nano Bibknicker is the cycling tight that's literally good at everything.

A decade in development, the Nano Flex 3G fabric is Castelli's best all-around fabric for winter tights: warm, stretchy, luxuriously soft, and highly breathable.

While other companies utilize chemical water-repellent finishes, Castelli labored for more than 10 years to create a nanotechnology mechanical repellency to enhance a chemical DWR finish. The result is a drier and more dynamic riding experience.

But don't think of the Tutto Bibknicker as just a niche rain tight. The Nano Flex 3G fabric doubles as a great dry-weather option, with the reduced-seam, anatomical cut making it extremely comfortable during both casual commutes and longer expeditions alike.

At the Tutto Bibknicker's center is the pro-level KISS Air2 seat pad while a mesh bib that shakes off moisture and zippered ankles that guard against road spray bookend the extremities.

If you're winter riding calls for unpredictable conditions, find your flex with the Tutto Bibknicker.

Features & Specs:

  • The bibknicker that's great in every possible condition
  • New Nano Flex 3G fabric is exceptionally warm and soft yet with even better rain protection
  • Reduced seaming for improved comfort and fit
  • Mesh bib straps don't hold moisture
  • KISS Air2 seat pad for long-distance comfort
  • Embossed logos for durability
  • Claimed weight: 278 g

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Discount Codes are not applicable to Closeouts.

This product is NOT Eligible for VIP Points.


Leg Type: 3/4 Length 


Style Type: Bibtights 

Ordered by Most Relevant First
5 stars
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1 stars
Perfect for my climate
by Mike33
Cycling Enthusiast
3 of 3 customers found this review helpful.

These Castelli Men's Tutto Nano Bibknickers are true to their description, meaning literally good at everything.

I already had the Entrata Bib knicker & while they are nice they designed for 59deg-95degF and are not thermal at all. These Tutto Nano Bibknickers are.

Castelli rates them for temps of 48deg-66degF & I have been using them in temps of 45deg to 70degF no problem.

I live at 4000' but it is not a snow type location our lows here are upper 30's but always warms to 70's+ on most 2-3 hour rides.

Foe me these have been perfect war enough & go unnoticed which is a compliment for any cycling apparel.

The Nano Flex 3G fabric is super comfy as is the Kiss Air2 seat pad. This fabric is even somewhat waterproof as the water in light rains just beads on surface. (I have not tested in downpour yet)

So overall very happy with these & coupled with the Castelli Entrata bibknickers I am covered for a wide temperature range that fits my location temps perfectly

Highly recommend these !

Reviewed 1/19/2021
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My favorite BiKnicker by far
by bryanp354
Cycling Enthusiast
Visalia, CA
1 of 1 customers found this review helpful.

There is nothing I don't like about this product. The pad is the most comfortable of any (long or short) bibs I ride in. The fleece thickness in the legs is perfect for our area where the winter temps during the day are often in the mid 50's.

Reviewed 1/15/2021
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True to size fit and great quality
by Anonymous

Knickers came in a timely fashion and size was right on and great quality bib knickers

Reviewed 6/25/2020
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the goto wear in the late fall and early spring.
by Old and in the way
Cycling Enthusiast
0 of 2 customers found this review helpful.

I had purchased these to wear in the late fall evening rides because the temp was dropping down into the 40's after the sun went down and it got dark. The reflective parts were great for riding in the dark. These knickers kept my lower half warm. I am 6' and 160 pounds and these fit perfectly.

Reviewed 11/27/2020
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So comfy
by Auren
napa CA

These are so comfy and warm, at least down to 33 degrees so far this year...they also don't get too warm when in the 50s. The fit is perfect (6'2" -large) and the chamois is great.

Reviewed 2/15/2021
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Great Italian Quality
by fogmaster
Cycling Enthusiast
Half Moon Bay, CA

I picked these up on a closeout so not sure if those cheaper prices are still available. They fit very nice and feel very high quality. They are pretty warm for those chilly days, probably good for down to about 45 degrees or so. They have a very nice shamy too.

Reviewed 8/6/2020
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by Anonymous

very comfortable chamois.

Reviewed 8/6/2020
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