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Assosoires GT Ultraz Winter Bootie

1 out of 5 stars
1 Review


Size Chart


Why We Like The ASSOS Assosoires GT Ultraz Winter Bootie

Winter training rides may require extra layers, but that doesn't mean we don't want an aerodynamic advantage, so we pull the ASSOS Assosoires GT Ultraz Winter Bootie over our shoes to keep us warm and riding fast. Its 3-layer softshell offers increased breathability and superior thermal protection, while DWR treatment on the outer layer further protects us from the elements.


  • Aerodynamic booties for winter riding warmth
  • ThermoShell 3-layer softshell offers breathable thermal protection
  • Dual-layer twinDeck textile offers maximum insulation
  • DWR treatment offers extra protection against the elements
  • zeroCuff delivers a smooth transition between legs and fabric
  • Item #AASZ046
[body] 100% polyester, [inner] 52% polyester, 34% nylon, 14% elastene
[outer] ThermoShell, [bottom] sportGrip
Manufacturer Warranty
cycling, winter, road, gravel

Overall Rating

1 based on 1 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 0 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

What do you think about this product?


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1 out of 5 stars

November 11, 2023

Doesn’t offer protection from rain

I've used it several times

Thermal winter shoe covers should provide wind and water resistance. These booties aren’t water resistant. Isn’t that what protection against the elements means?

Yvonne A

Originally reviewed on Backcountry.com