Castelli Sorpasso RoS Bibtight rear close up

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CASTELLI Sorpasso RoS Bibtight

$279.99

Castelli Sorpasso RoS Bibtight offers warmth, water repellency, comfort, and reflective details.

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30-day returns on eligible unused items

Ships from Guelph, Ontario

Decision guidance

Is this right for you?

Best For

Ideal for winter cycling and training rides where protection from cold, wind, and road spray is essential.

What to Know

Tailored anatomical fit with stretchy, compressive fabrics that move with the body, combined with flat elastic bib straps for secure comfort.

Why We'd Choose It

Choose the Sorpasso RoS Bibtight for its advanced Nano Flex fabric technology, seamless seat pad, and protective panels that deliver warmth and water resistance without sacrificing breathability or mobility.

At a glance

Product facts

Fit: Tailored fit
Conditions: -2°C to 10°C (28°F to 50°F)
Use: Winter cycling and training rides
Key feature: Nano Flex 3G and Xtra Dry fabrics for warmth and water repellency.

Product Story

Product details

Advanced Fabric Technology

The Sorpasso RoS Bibtight utilizes Castelli's Nano Flex 3G fabric, combining warmth, stretch, softness, and water repellency without compromising breathability. Additional Nano Flex Xtra Dry panels on the upper front, thighs, and back enhance thermal protection and shield against road spray.

Comfort and Fit

An anatomical cut tailored to hips and knees ensures a natural fit that moves with the rider. The bib features lie-flat elastic straps and YKK® Camlock® zippers at the ankles for secure, adjustable wear. The Progetto X2 Air seamless seat pad provides cushioning for long hours in the saddle.

Visibility and Safety

Reflective inserts at the ankles maximize visibility from behind, enhancing rider safety in low-light conditions.

Key Specs

Specs

Weight	333 g Lightweight for winter bibtight
Temperature Range	-2°C to 10°C / 28°F to 50°F Suitable for cold to mild winter conditions
Fabric	Nano Flex 3G with Nano Flex Xtra Dry panels Provides warmth, stretch, water repellency, and wind protection
Seat Pad	Progetto X2 Air seamless Designed for long hours in the saddle
Ankle Zippers	YKK® Camlock® Secure and adjustable ankle closure

Questions & answers

Common questions

What temperature range is the Sorpasso RoS Bibtight suitable for?

It is designed for temperatures between -2°C and 10°C (28°F to 50°F), making it ideal for cold to mild winter conditions.

What fabrics are used in the Sorpasso RoS Bibtight?

The bibtight uses Nano Flex 3G fabric for warmth, stretch, and water repellency, with additional Nano Flex Xtra Dry panels for extra wind protection and road spray resistance.