Castelli Nanoflex bib knickers – in brief review

Well priced three-quarters with spring weight

Our rating 
4.0 out of 5 star rating 4.0
GBP £100.00 RRP | USD $149.95
Castelli Nanoflex bib knickers

Our review

Pad, legs and hems are all of good quality but wicking is average
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The Nanoflex bib knickers have relatively lovely legs. Extending well beyond the knee, they have broad, textured hems to hold the bottoms securely in place. 


Further comfort is provided by the Kiss3 pad, which provides firm and flexible support. Nanoflex refers to the fabric’s silicone coating that forces rain and moisture from the outside to bead off rather than soak in. 

Sweat from the inside is dealt with effectively, if not exceptionally. The shorts’ weight of 225g had increased by 99g after the ride, while 22g was dropped in the following hour.


This article was originally published in Cycling Plus magazine, available on Apple Newsstand and Zinio.

Product Specifications


Name Nanoflex bib knickers (13)
Brand Castelli

Clothing Sizes Available L M S XL XXL XXXL
Available Colours Black
Available In (Mens/Womens) Mens