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Castelli Sorpasso RoS Bib Tight - Women's



Sorpasso RoS Bib Tight

Chances are you’re mulling over how to stay warm and dry on winter rides across a wide range of conditions, from rain to wind, to freezing. The Castelli Sorpasso RoS Bib Tight is designed to expertly satisfy winter riding comfort across beautiful winter landscapes in the rain or shine. Castelli's familiar NanoFlex technology boasts improved water repellency, allowing the Sorpasso RoS Bib Tight to shed water with relative ease while maintaining enhanced breathability and warmth. As you're in the riding position, the anatomically mapped 3G paneling provides ample stretch to allow unrestricted movement at the knee and hip. Extra insulation comes from Nano Flex Xtra Dry fabric, which is sewn to the upper front and thighs to maintain body heat to maximize winter performance.

The Sorpasso RoS Bib Tight uses Castelli's Progetto X2 Air seamless Donna chamois that is designed peak comfort and performance during long winter base miles. Reflective panels cover the calf zips for added security in low-light riding in the cold mornings, and the Sorpasso RoS is rated for rides ranging from 32-54 degrees F, which nets you four more degree resistance to the cold than does the bib-less Sorpasso design.

  • Winter miles bib tight comforts and performs through rain or shine
  • Nano Flex 3G fabrics feel soft and repel water under heavy clouds
  • Heavier fabrics on front and legs provides muscle-specific insulation
  • Designed for stretch and compression in all riding positions
  • Reflective panels on calves add extra visibility for roadway safety
  • Rated for rides ranging 32-54 degrees F
  • Item #CSTZ7E0

[face fabric] Nano Flex 3G, [hips/thighs] Nano Flex Xtra Dry
spring, fall, winter
Progetto X2 Air seamless Donna
lie-flat elastic straps
calf piping
Claimed Weight
[small] 10.4oz
Recommended Use
cyclocross, road cycling
Manufacturer Warranty
1 year

Tech Specs

What do you think about this product?


>Rating: 5

Comfy and Warm!

I've used it once or twice and have initial impressions
True to size
Size Bought
5` 2"
120 lbs

I'm very happy with these tights. They are comfy and soft, and they keep my legs nice and warm. I've worn them in temps down to the mid 30s. One thing to note: the length of the torso is a bit short. I am short-waisted and the straps fit snugly on me. If you have a long torso you might find these don't fit you very well.