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Nano Flex Evo Legwarmer
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The Nano Flex Evo Legwarmer stays put through every climb and descent
What Our Gearhead® Experts Are Saying:
"I rolled these on for a ride that started dry and turned drizzly by the second hour, and they never soaked through or budged an inch. The silicone grippers held even through some standing efforts on a climb. These stay in my bag no matter what the forecast says."
Legs get cold before the rest of you notices, especially on descents when the wind cuts straight through and the effort drops off. The Castelli Nano Flex Evo Legwarmer solves that without asking you to commit to full tights before you know what the day actually holds. Water-repellent thermal fabric handles a surprise drizzle or a chillier-than-expected start, giving you coverage that comes off just as easily once the day warms up.
Double-sided silicone grippers keep these anchored through hours of pedaling, climbing, and standing efforts, and flat-lock stitching means there's no seam digging in after a long day in the saddle. It's the kind of gear you forget you're wearing, which is exactly the point.
Details
- Thermal legwarmer built for shifting fall and spring weather
- Nano Flex fabric repels light rain and morning damp
- Flat-lock stitching prevents chafing over long rides
- Double-sided silicone grippers keep warmers from sliding down
- Packable design fits easily in a jersey pocket
- Item #CSTZ85F
- Material
- Nano Flex
- Closure
- pull-on, silicone grippers
- Fit
- form-fitting
- Manufacturer Warranty
- limited 2 year
- Activity
- bike
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Frequently Asked Questions
What conditions suit the Castelli Nano Flex Evo Legwarmer?
Its intended range is 8°C–20°C (46°F–68°F), making it suited to cool road, gravel, and training rides.How does the Castelli Nano Flex Evo Legwarmer handle road spray?
The Nano Flex EVO has a water-repellent treatment that sheds road spray and light rain; it is not designed for sustained heavy rain.How should I choose a size for the Castelli Nano Flex Evo Legwarmer?
Use rider weight as a starting point: S is approximately 45–60 kg, M 60–70 kg, L 70–80 kg, and XL over 80 kg. Its tailored fit is snug, so choose the larger size if you’re between sizes or layering over thicker bib shorts.Does the Castelli Nano Flex Evo Legwarmer offer UV protection?
The product listing specifies UPF 50, alongside seamless thermal fabric construction.How should I wash the Castelli Nano Flex Evo Legwarmer?
Machine wash at about 30°C (86°F); the care guidance also recommends avoiding bleach, ironing, and dry cleaning to help preserve the stretch and water-repellent finish.