Castelli Kneewarmer Nano Flex+ Black

Brand: Castelli

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Size: Select a size

LG XL

$85.00 Full price

$85.00

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$89.99 Full price

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Product Details

Description

MORE FLEX, MORE NANO. Our Nano Flex warmers have been in our collection for seven years, and we’ve finally found a way to improve them. We’ve added an insert on the back in Nano Light fabric to help them bend around your elbow or knee better while keeping all the water protection. More comfort due to more flexibility, and in a slightly more compact package.

Key Features

Nano Flex+ fabric for superior warmth
Water-resistant and breathable construction
Silicone grippers for secure fit
Reflective details for enhanced visibility
Lightweight and packable design

Specifications

Product Overview

Product

Castelli Kneewarmer Nano Flex+ Black

Brand

Castelli

Parent SKU

HV0KM0V0

Size SKUs

LG: CLCK657910-L
XL: CLCK657910-XL

Frequently Asked Questions

What is the Castelli Nano Flex+ Kneewarmer used for?

The Castelli Nano Flex+ Kneewarmer is used to keep your knees warm in cool, damp conditions while remaining breathable and packable for easy layering on rides.

Why choose the Castelli Nano Flex+ Kneewarmer?

Choose it for superior warmth from Nano Flex+ fabric, water resistance, and a secure silicone grip that stays in place, plus reflective details for visibility.

Who is the Castelli Nano Flex+ Kneewarmer designed for?

Designed for riders who want reliable warmth and protection during shoulder-season rides, with flexible movement around the knee thanks to the Nano Light insert.

Warmth You Can Pack

Two-piece warmth with Nano Flex+ for reliable heat retention. Breathable, water-resistant design keeps you comfortable in variable conditions.

Secure, Snug Fit

Silicone grippers lock in place without bulk. Reflective details boost visibility for safe riding in low light.

Flexible, Lightweight Comfort

Back insert with Nano Light fabric adds bendability around joints. Ultra-light, packable design that travels easily.

Women's

	Waist	Inseam	Chest	Hip
XS	24.5" - 24.5"	29.5" - 29.5"	31" - 31"	34" - 34"
SM	26.5" - 26.5"	29.9" - 29.9"	33" - 33"	36" - 36"
MD	28.5" - 28.5"	30.3" - 30.3"	35" - 35"	38" - 38"
LG	30.5" - 30.5"	30.7" - 30.7"	37" - 37"	40" - 40"
XL	32.5" - 32.5"	31.1" - 31.1"	39" - 39"	42" - 42"

Men's

	Waist	Inseam	Chest	Hip
SM	31" - 31"	32.2" - 32.2"	36" - 36"	37" - 37"
MD	33" - 33"	32.6" - 32.6"	37.5" - 37.5"	38.5" - 38.5"
LG	34.5" - 34.5"	33" - 33"	39" - 39"	40" - 40"
XL	36.5" - 36.5"	33.5" - 33.5"	41" - 41"	42" - 42"
XXL	38.5" - 38.5"	33.8" - 33.8"	43" - 43"	44" - 44"
XXXL	40.5" - 40.5"	34.2" - 34.2"	45" - 45"	46" - 46"