Castelli Estremo Shoecover Black

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Castelli set out to create their warmest bootie ever, which meant rethinking how booties are made. For the windproofing they went with GORE-TEX INFINIUM™ WINDSTOPPER® fleece-backed fabric, which also lets more moisture escape than any other windproof fabric. Then Castelli added a second fleece layer with Polartec® Power Stretch® Pro™, which is unrivaled in overall loft. The two layers are thick enough that they had to do a wheel well single-layer construction by the ball of the foot to prevent the fabric from rubbing on the crank. Castelli made the bootie high for extra warmth and give reasonable splash protection. 


Castelli's warmest shoecover for extreme conditions

GORE-TEX INFINIUM™ WINDSTOPPER® fabric for windproof water protection with maximum breathability

Polartec® Power Stretch® Pro™ lining to keep you warm

Reflective details provide high visibility

YKK® AquaGuard® zipper

High-durability material under foot

-10°-5°C / 8°-41°F

Weight:200 g

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