Tutto Nano Bib Knicker - Men's
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The day started balmy and bright, but there's inclement weather ahead. This may pose as a threat to some kits, but Castelli's Tutto Nano Bib Knickers excel when conditions are variable. They offer the perfect in-between coverage with knicker length, plus the new Nano Flex 3G fabric that traps in warmth that's soft against the skin, but light enough to breathe, so you don't have to overheat. And for those intermittent showers, Nano Flex 3G also packs in exceptional water protection to shed rain, mud, and wheel spray. On upper side, the knickers feature a light mesh bib that doesn't hold onto sweat, aiming to keep you cool while you hammer out the miles.
Castelli employs the KISS Air2 chamois on the Tutto Nano. This multi-density chamois is crafted with long miles in mind, and is contoured to offer elevated support to the ischial bones, while alleviating pressure to the perineum, reducing irritation from jarring road vibrations, and long hours in the saddle. The knickers are finished off with reflective inserts on the bottom hems to help boost low light visibility, and embossed logos that withstand the rigorous conditions of the road.
Details
- A knicker that aims to please no matter the condition
- New Nano Flex 3G fabric is warm, soft, and water resistant
- Trap heat inside with fleecy inner fabric
- Reduced seaming elevates comfort of the fit
- Mesh bib straps don't hold onto sweat, let heat escape
- KISS Air2 chamois cushions sit bones for the long miles
- Reflective accents at cuffs boost low light visibility
- Item #CST00U5
This item is made with PFAS chemicals.
- Material
- Nano Flex 3G
- Season
- spring, fall, winter
- Fit
- form-fitting
- Chamois
- KISS Air2
- Recommended Use
- road cycling
- Manufacturer Warranty
- 1 year
Reviews
Q&A
What do you think about this product?
Overall Rating
3.5 based on 6 ratings
Review Summary
Fits Small
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.View
Selecting an option will reload the available reviews on the pageFebruary 9, 2025
mtn pass cool all year w/gravel & road
- Familiarity:
- I've put it through the wringer
- Size Bought:
- L
- Height:
- 5' 6"
- Weight:
- 150
Nanoflex with fuzz covered knees, chill right after sundown, ok for showers & snow, runs small L-fits- M, all year commuter. Bib above waist, ok jersey overlap, I use tall knicker socks until it's hot weather, usually get 2yrs a pair, moderate miles. Castelli fan, new leg bands & fit nice, reflecto behind knees, ymmv
January 31, 2025
Way Too Small
- Size Bought:
- L
- Height:
- 5' 11"
- Weight:
- 165
I'm 5'-11", 165 lbs, 33" waist. I typically wear medium shorts, but ordered large. These bib knickers are so small and tight in the legs, shoulder straps, and particularly the crotch. They are unwearable for me. Hard to believe I should need an XL.
January 28, 2025
legs creep
- Size Bought:
- L
- Height:
- 5' 8"
- Weight:
- 165
When ordered 1 size up it was nice fit. However upon using it on a ride every thing below the knee cap creeps up to the back of the knee. Exposing everything to the top of the socks. I bought this to keep this area warm.
January 3, 2025
Fit
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- 2XL
I recommend going a size larger with Castelli. I'm 5.11' 185-190 lbs and my 2xl fits snug.
April 11, 2023
Pretty Good Winter Knickers
- Familiarity:
- I've put it through the wringer
- Size Bought:
- XL
- Height:
- 6' 3"
I'm on my second pair and wear them commuting an hour each way to work when temps are 30s & 40s... I pair them with over the calf winter wool socks. (I don't like full length winter bibs with ankle zippers.) I find they are not warm enough once temps get down into mid 20s. These are a solid set of comfortable kickers although I wish they'd upgrade the straps. I'm 6'3" tall an wear a XL as I do in just about all Castelli products.
December 30, 2020
Nice quality but odd seam on backside
- Height:
- 5' 9"
- Weight:
- 165
In general I'm a fan of Castelli winter bib tights and knickers as I think they provide good bang for the buck. Castelli winter gear is even harder than normal to sort out for fit, but I have found lately going up 2 sizes works for me (size XL instead of my usual M for euro fit cycling gear). Overall I liked the quality build of these knickers. But the deal breaker was a large seam that comes up the back of the thigh, crosses the butt area, and continues down the other thigh. The problem is the seam is quite thick (not flatlock), goes underneath the chamois, and for me just happens to cross right in that area of my sit bones and the business end back there, and I can feel it through the chamois. I've never seen this on any pair of cycling bottoms (and I've ridden on a lot of them).
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