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Castelli Men

Castelli Men's Tutto Nano Bibtight

Mfg PartNum:
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All Around Winter Comfort

The Castelli Tutto Nano Bib Tight uses new Nano Flex 3G fabric, the result of a decade of development. It's Castelli's best all-around fabric for winter tights: warm, stretchy, luxuriously soft, highly breathable and on top of that it features their proprietary third generation of nanotechnology water-repellent finish. While other brands are using simple chemical water-repellent finishes, Castelli created a nanotechnology mechanical repellency to enhance a chemical DWR finish. You stay drier and more comfortable.

The fabric also makes for a great dry-weather tight, and the reduced-seam anatomical cut makes it extremely comfortable and lightweight enough for warmer temperatures.

The Tutto Nano Bib Tights have subtle black-on-black Castelli logos on the outside of both legs and NANOFLEX on the rear panel. For added visibility, these tights feature reflective bands around both ankles with long zips, making them easy to get on and off.

The pro-level KISS Air2 seat pad features a continuously variable thickness and anatomic shape that conforms to your body, and increases your comfort for long rides.


  • Designed to be great in all riding conditions
  • Temp Rating: 4-16°C / 39-61°F.
  • Zippers at ankles for easier on/off
  • Improved comfort and fit with reduced seaming
  • Mesh bib straps for breathability
  • Embossed logos

Castelli KISS Air2 Seat Pad:

  • Men-specific cut with anatomic molding to eliminate seams
  • Soft skin layer for freedom of movement
  • Soft, flexible, anti-bacterial, brushed microfiber top fabric layer maximizes comfort and fit
  • Dual density and variable thickness gives the perfect cushioning on every part of the pad

Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for US customers if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.

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.


Style Type: Bibtights 

Leg Type: Full Length 

Black - Small

Mfg PartNum: M19512010-2 

Black - Medium

Mfg PartNum: M19512010-3 

Black - Large

Mfg PartNum: M19512010-4 

Black - X-Large

Mfg PartNum: M19512010-5 

Black - 2X-Large

Mfg PartNum: M19512010-6 

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1 stars
Reviewed 11/4/2019
by Anonymous
Cycling Enthusiast
North Carolina
Value Rating
Overall Rating
Worth the money.

Decided to try something other than Pearl Izumi. Very happy with the quality and fit. 5'11 and around 205lbs and XXL fit great. Thighs were a bit chilly at 31 degrees at ride start but nothing major. After warming up on the bike i was comfortable for the next 2 hours. I

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Reviewed 1/14/2020
by jackw007
Daily Commuter
Bay Area, California
Value Rating
Overall Rating
Awesome tights

These are the best tights that I have ever owned.

I'm partial to everything Castelli, and I have less expensive tights, and more expensive tights. But these are hands down my favorites. If you know what size Castelli tightsshorts will fit you then you know exactly what size to order (I'd recommend one size larger than typical if you haven't owned Castelli previously).

I haven't worn them in temperatures lower than about 37 degrees, but I'm confident that they'll be comfortable down to the 20's. The fit is great, and I really - REALLY - like the zippers at the ankles. One complaint with Castelli tights, even the more expensive ones, is that I have to pull the the tights together at the zipper in order to get the zipper closed. Not so on these - it's super easy to close the zipper and the fit is still very snug and comfortable at my ankles and on the calves.

Id highly recommend these tights for anything from the daily commute to the long weekend ride.

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*Orders received before 3:00PM Pacific time are shipped the same day (Mon-Sat). Orders over $50 are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 11