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Castelli Ultra Shoe Covers

Sale $41.97 $69.95 40% off

Item # CST2483

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Item # CST2483

Toes are a good thing to keep.

If you live in a region similar to ours, you know that winter saddle time can be a painful affair. And if you think that you're going to get in those base miles without covering up your soon to be frozen feet, you're sorely mistaken. We rely on the Castelli Ultra Shoe Covers to keep our toes connected to our feet in the bowels of winter's gloom. Using patented fabric that blocks winter's harshest elements, the Ultra Shoecover is a staple for anyone that it isn't satisfied with only riding four months out of a year.

While some fabrics claim to be windproof, no one produces a more rigorously tested fabric than W.L. Gore. That's why Castelli's Ultra Shoecover is made from Gore's patented WindStopper X-Fast 2 material. This microfleece fabric not only warms and repels water, but as its name suggests, it completely stops the wind's chilling effects. To further ensure that no cold or water infiltrates the cover, the Ultra Shoecover uses an anatomic design with a high cuff and waterproof rear zipper. Castelli also included reflective detailing throughout the cover for safer riding in low-light conditions.

The Castelli Ultra Shoe Covers is available in sizes from Small to XX-Large, and in the color Black.

Tech Specs

Recommended Use:
cold weather cycling

Size chart

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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Here's what others have to say...

Avg. ride time: 4h 46m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Do their job

  • Familiarity:I've used it once or twice and have initial impressions
  • Fit:True to size

Probably not the warmest out their but are doing their job. They seem to be sturdy enough but time will tell. I have 10-1/2" and bought XL, fit great.


Be careful when walking around in them

  • Familiarity:I've used it several times

The wind stopper material works very well and is very light weight and has kept my feet warm, the only problem is they use the same material on the bottom of the shoe cover, which is very delicate and is prone to tearing if it comes in contact with the pavement. As others have mentioned they do tend to run a bit on the small size. Other than the bottom fabric, they have been great so far.


Good but delicate

  • Familiarity:I've used it once or twice and have initial impressions

I bought these to complete my winter castelli kit. my feet were always cold with other shoe covers. Although they fit well 44 was a snug large, the rear zippers are a pain to close and after wearing them twice the whole toe ripped out on the bottom. I honestly may have taken 30 steps in them? Just too thin and flimsy. I returned them!


Run small

  • Familiarity:I've used it several times

It may be part of the problem with these is sizing. The large barely fits my 43 shoe. They claim to fit 44-47, but I think they're smaller than that. Otherwise I like them


Don't waste money

  • Fit:True to size

As others have posted, these covers are surprisingly unfit for the purpose. A seam came apart and holes appeared in the bottom at the toe after only two rides. Very disappointed.