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CastelliSlicker Pull-On Shoe Cover


Item # CST00UY

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Item # CST00UY

Slicker Pull-On Shoe Cover

Barring any serious thunderstorm type weather, bike races go on no matter what clouds are in the sky. Castelli's Slicker Shoe Cover keeps our feet dry and shoes aerodynamic when the clouds bring rain during our ride or race time. The pull-on design and stretch fabric eliminate potential weak points where water could enter and enhance the close fit around your shoe and ankle to keep rain out of your socks. At only 80grams, we barely notice the added weight on our feet, while savoring the dry feel on a rainy day.

  • A seamless shoe cover to protect from the rain
  • Flexible fabric pulls on over shoes and socks for an aero fit
  • Waterproof and seam-sealed upper for optimal protection
  • Reflective details enhance visibility while on the road

Tech Specs
Materialwaterproof synthetic
Closurestretch on
Soleopen for 3-bolt road cleats
Recommended Useroad cycling
Manufacturer Warranty1 year


Shoe Covers
US MEN SHOE SIZE 5 - 6.5 7 - 9 9.5 - 11 11.5 - 12 12.5 - 14
EU MEN SHOE SIZE 36 - 39 40 - 42 43 - 44 45 - 46 46 - 48
US WOMEN SHOE SIZE 4 - 6.5 7 - 8 8.5 - 11    
EU WOMEN SHOE SIZE 35 - 37 37 - 39 39 - 42    
Diluvio, Belgian Bootie
UNISEX US SHOE SIZE 5 - 6.5 7 - 11 11.5 - 14
UNISEX EU SHOE SIZE 36 - 39 40 - 43 44 - 47


What do you think about this product?



Perfect Fit

I purchased these overshoes purely because of their simplicity. The last two pairs of overshoes I owned were either too loose fitting or too warm. I've only worn these once in the low 50 degrees but my socks and feet were sweaty after a 24mi road ride. These won't be warm when the temps hit closer to freezing unless your feet naturally run hot, which mine do not. I love the lack of the zipper as I think the fit is better and doesn't offer an additional weak point to break or allow water to come in. To those concerned about putting them on and off, they're not as easy as a zipper and do take some technique. Much like Velotoze, there is a method that makes them possible to put on. With a little practice the overshoe fits snug and close like it should. I am a size 8.5 US and purchased the size M. By inserting your foot from the top of the overshoe, like you would as normal, continue to slide your entire foot through the forefoot hole (where your cleat would be). At this point the overshoe should be around your ankle. Next, out in your shoes and slide the rest of the overshoe down and over your ankle and foot, pulling the toes of the overshoe all the way over the front of your shoe and cleat. Lastly readjust the forefoot cleat hole and pull the heel hole back into the correct position. Readjust at the ankle if needed. done.


What would the approximate weather temp rating be for these? Would they help keep toes warm in the 40º-50ºF range?

>Rating: 3

Super tight- size up!

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

Great in terms of warmth and water resistance for 45-65F type temperature and showers. Haven't tried in a downpour yet. Very difficult to get on though, I'm a 42 and got M, which I'm sure it's too small and I'm likely to rip the material soon enough... It's like a really tight balloon. Overall, good replacement over my neoprene ones and those with a zipper that let the rain in the seam.

>Rating: 1

Total Garbage

I've used it once or twice and have initial impressions
Runs small

For the second day in an row I find myself reviewing shit product from Castelli. I’ve tried multiple ways of getting the cover on & none work. I’m on the small side of the size range suggested & STILL can’t get the covers on. Shame on Castelli for manufacturing poorly designed & produced products & shame on Competitive Cyclist for peddling this crap.

>Rating: 5

Thank you Castelli!!

I've used it once or twice and have initial impressions
True to size

Before finding these shoe covers, I was on a quest to find a replacement for Castelli's earlier zippered version of the product. That is, a shoe cover that was aero, light, water-resistant, and super cool! And those covers were awesome until the zipper broke. My search for a replacement was fruitless, with a couple of dead-end products that just didn't make the grade. And then, right here on Competitive Cyclist, I saw Castelli's Slicker pull-on shoe cover. Looks promising. So I decided to take a chance on them. The end result: I am super happy with this product! There is a caveat (more on that in a moment). But this is the one. Nice tight fit, aero, and water rolls right off. Everything I was seeking for the early Fall riding, as well as into Winter (other than the coldest weather). So big thumbs up! Ok, the caveat. If you buy these covers they do NOT come with info on how to put them on. Based on experience with another brand, here's how: First, put on your socks, then the shoe cover. After that put on your shoes and work the lower part of the cover down and over the shoes. To remove, just reverse the steps. If you do try to pull the covers over your shoes, you'll be disappointed. You would need to be massively strong and will likely wreck the product in doing so.

A novel idea for putting them on and taking them off...

The new line of Assos booties use the same on/off technique. the factory site has a demo.