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ESTREMO SHOECOVER

For those days when most people ride the trainer. We use a fleece-lined GORE-TEX INFINIUM™ WINDSTOPPER® outer layer with a full Polartec® Power Stretch® inner layer to make our warmest bootie ever.

149,95 € 1 2 3 4 5  5  (3 reviews)

Color: BLACK

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4519525-010

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Product features

  • 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
  • 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

Technical Features

Insulation

Waterproofness

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Waterproofness tooltip 

Windproofness

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Windproofness tooltip 

Breathability

Lightness

  • Weight:200 g
  • Temperature:-10°C - 5°C / 8°F - 41°F
  • Fit:Regular
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    Fit tooltip

What It Is

For those days when most people ride the trainer. We use a fleece-lined GORE-TEX INFINIUM™ WINDSTOPPER® outer layer with a full Polartec® Power Stretch® inner layer to make our warmest bootie ever.
Polartec® Power Stretch®

Two-way stretch fabric that is very warm, breathable and comfortable against the skin. Ensures warmth without weight and wicks perspiration outward and away from the body.

GORE-TEX Infinium™ WINDSTOPPER®

Gore-Tex® garments provide total wind protection and maximum breathability. The windproof membrane keeps you from getting cold due to windchill, but the optimum breathability prevents overheating and moisture accumulation by allowing sweat to escape easily. Water repellency is ensured by the DWR treatment applied to the outer fabric.

ONE GOAL: KEEP YOUR FEET WARM

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

Here is what our customers think about it

5

1

2

3

4

5

3 reviews

Works very well

20/12/2022

Works very well into the 20s and below (⁰F)

Nicholas

1

2

3

4

5

5

Does the job well

16/12/2022

I am starting my third winter with the Estremo covers and they are one of my favorite bits of Castelli kit. I use them from around 20F to 45F (-7 to 7C) in both dry and wet conditions on long and short rides. Below freezing they can be cold on longer rides, but with some heavy socks my toes will avoid going completely numb. I am mainly using them above freezing and they are perfect in that range, my toes are not cold at all. They are also much more waterproof than I was expecting, after an hour in continual strong rain my socks will still be mostly dry in my shoes. They will take a long time to dry out after such a rain however.

The upper part still looks as new after several years of use. The bottoms are starting to get shredded a bit from being stepped on, but not enough to interfere with operation. They must be put on carefully as they can snag on to the boa dials.

Scott

1

2

3

4

5

5

Fantastici

04/12/2022

Acquistati nel 2020 perchè ero in cerca di un prodotto che mi tenesse i piedi caldi (soffro molto i piedi freddi durante le pedalate invernali) e devo dire che fanno il loro lavoro perché i piedi è come se fossero dentro la stufa. Costano un botto di soldi, ma pedalando anche d'inverno sono praticamente un must have.

Armando

1

2

3

4

5

5

Works very well

20/12/2022

Works very well into the 20s and below (⁰F)

Nicholas

1

2

3

4

5

5

Does the job well

16/12/2022

I am starting my third winter with the Estremo covers and they are one of my favorite bits of Castelli kit. I use them from around 20F to 45F (-7 to 7C) in both dry and wet conditions on long and short rides. Below freezing they can be cold on longer rides, but with some heavy socks my toes will avoid going completely numb. I am mainly using them above freezing and they are perfect in that range, my toes are not cold at all. They are also much more waterproof than I was expecting, after an hour in continual strong rain my socks will still be mostly dry in my shoes. They will take a long time to dry out after such a rain however.

The upper part still looks as new after several years of use. The bottoms are starting to get shredded a bit from being stepped on, but not enough to interfere with operation. They must be put on carefully as they can snag on to the boa dials.

Scott

1

2

3

4

5

5

Fantastici

04/12/2022

Acquistati nel 2020 perchè ero in cerca di un prodotto che mi tenesse i piedi caldi (soffro molto i piedi freddi durante le pedalate invernali) e devo dire che fanno il loro lavoro perché i piedi è come se fossero dentro la stufa. Costano un botto di soldi, ma pedalando anche d'inverno sono praticamente un must have.

Armando

1

2

3

4

5

5
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