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Estremo Shoe Cover

4 out of 5 stars
6 Reviews


Size Chart


Why We Like The Castelli Estremo Shoe Cover

Skip the bike trainer and brave the winter streets with the Castelli Estremo Shoe Cover. Weather-resistant GORE-TEX INFINIUM WINDSTOPPER and cozy-warm Polartec Power Stretch fabrics keep our feet warm in the wet and cold. The YKK AquaGuard zipper offers an extra layer of defense while keeping the cover easy to slip on and off.


  • Wintery bootie protect cyclists' shoes and feet in cold conditions
  • Polartec Power Stretch Pro fleece traps heat
  • GORE-TEX INFINIUM fabric offers breathable, windproof water protection
  • Seal out every drop of rain and snow with YKK AquaGuard zip
  • Ultra-durable fabric underfoot helps avoid tears and abrasion
  • Rated for temperatures as low as 8°F
  • Reflective details boost visibility in low-light winter conditions
  • Item #CST00UV
[membrane/laminate] GORE-TEX INFINIUM WINDSTOPPER, [face fabric] Polartec Power Stretch Pro (100% polyester), [lining] 92% polyester, 8% elastane
YKK AquaGuard zipper
47% PU, 36% polyester, 17% cotton
Claimed Weight
[pair] 7.1oz
Manufacturer Warranty
2 years
road cycling