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Castelli Diluvio Shoe Covers 16

$45.47 $64.95

Item # CST2481 30% Off

4 5

Community Rating | 14 Reviews

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Item # CST2481


Ride through anything

In the drudgery of winter, the improvisers freeze while the well-prepared flourish -- believe us, at 7000 feet, we know a thing or two about harsh weather. So, if you intend to ride all year, you'll need to make a choice. Hopefully, you chose the latter, and accordingly, you'll need the Castelli Diluvio Shoe Covers 16. With a warming, water-resistant design, the Diluvio covers will keep the chill off of your feet, and help keep you in the saddle with the roads all to yourself.

Castelli's Diluvio ShoeCovers feature a 3mm-thick, neoprene construction. This stretchy, dense material protects against both the cold and moisture. In fact, Castelli estimates the Diluvio's effective temperature-range to be between 23 and 53 degrees Fahrenheit. For water-resistance, Castelli thermosealed all of the seams. This process is devoid of stitching, so even the most minute of apertures have been eliminated to prevent leaking. Further along these lines, the Diluvio has a Velcro closure-system over the 16mm cuff that seals off the foot from any water running down the legs. The Velcro also makes it a breeze to get your shoes in and out of the covers. And for when you're out of the saddle, the covers have been left open around the cleat and heal. So, you never have to worry about tearing up the soles when you're walking from A to B.

The Castelli Diluvio Shoe Covers 16 are available in the color Black and in the sizes Small/Medium, Large/X-Large, and X-Large.

Tech Specs

[covers] 3mm neoprene
elastic cuff
road cycling shoes
Recommended Use:
cold weather cycling
Manufacturer Warranty:
30 days

Size chart


US Men 7 - 7.5 8 - 8.5 9 - 10.5 11 - 1212.5 - 13
US Women8.5 - 99.5 - 1010.5 - 12
EU39 - 4041 - 4243 - 4445 - 4647 - 48

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Here's what others have to say...

4 5

Depends on Your Shoes & Enviro

  • Familiarity: I've put it through the wringer

If you're looking for a dependable warm shoe cover this can do the job to around 35 degrees. The difference in reviewers comments might be because some wear summer highly breathable shoes with these covers while others are wearing shoes with a less breathable fabric. The difference I've experienced in midwestern windy and cold temps is the shoes. Feet will freeze in wind chill if I wear summer shoes even with these covers. Get warmer inserts (use your Ugg inserts if you're not racing or training) to keep the cold off the bottom of your feet. These covers aren't magical. They're built well enough to endure the season(s) without breaking down in any way but can't keep frigid air from eventually attacking your feet. The holes for your pedal and heel let the air through to chill the soles of your shoes. If you're riding in mild to no wind they're great. Windy? Better have some warmers.

1 5


  • Familiarity: I've put it through the wringer

This was my first season riding through the winter and these were my first shoe covers. They worked ok to about 40. My toes were never toasty but they weren't frostbitten either. Once the temps dropped under 30 they were really miserable. I took to riding wearing my warmest pair of smartwool snowboarding socks and jamming toe warmers between my shoe and covers. However even with this setup my toes froze. Toward the end of the winter they just got worse and worse as the neoprene compressed to almost nothing. Riding in 45 degrees last week they got wet going through a puddle and within 15 min I could no longer feel my toes. To top it all off one of the zippers somehow got a kink in it and will not zipper straight. Being my first pair of covers I have nothing to compare them to. I hope that everyone else's 5 star reviews is not indicative of what I will find with my next pair of covers.

4 5

Good covers

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

Didn't get to use them more than a handful of time this past winter but they were warm below 30 degrees and durable.

5 5

Works for me

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

I was after a cover than would keep my feet warm in cold weather. I have only ridden with these once, but that was for 4 hours in an average of 34 degrees. They kept my feet protected from the wind and warm for about an hour. After that, my toes were cold, but nothing I couldn't handle for the remaining 3 hours of the ride. I am looking into toe warmers to keep between the shoe and the shoe cover for these (and colder) scenarios. These are neoprene, so I am of the understanding that they will not be ideal if there are really wet conditions. Also, as I imagine it matters, I am using fair weather shoes under these (the kind designed for warm weather and breathability - the counter to what is needed for cold weather). I like the product, do recommend.

5 5

Very warm

  • Familiarity: I've put it through the wringer

I've ridden with these from about 45F down to about 25F, and can say they are far warmer that the windstop version I had from another manufacturer. They're so warm that the inside of my shoes get damp from sweat, even at the lower end of the temp range. While my feet do sweat, they stay warm. Just have to throw my shoes in the drier for a few minutes on delicate to dry them out after riding.

I had a user-induced routing error recently, and ended up riding on an ice and snow covered, pot-holed dirt road for a few miles, with the pot-holes all full of ice water puddles. The outsides of my shoe covers were a mess, as was the rest of my bike, but my feet stayed warm.

Size L/XL fit perfectly over my size 43 Shimano shoes. Took a few tries to figure out how to easily get them past the buckles, but once I had it figured out, they're now a breeze to put on and take off.

4 5

tight fit

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

I got the sm/med for my size 41 road shoes and that is probably as big as you could go. zipping up the ankle is also a challenge even for my skinny legs. snowed here, so a warmth review will have to wait.

Will these work with MTB shoes?

Posted on

Will these work with MTB shoes?

Responded on

FYI... shoe covers get torn up super fast if you dab/walk at all during MTB rides... so, something to consider.

4 5

Run small

  • Familiarity: I've used it several times

The l/xl fits about a 45 shoe

5 5

These are the goods.

Really nice shoe covers. Warm. Can always be paired with neoprene socks for that extra level of protection from the cold. However, when it is that cold you might as well hit the indoor trainer up.

5 5

Cold Weather Friend

  • Gender: Male
  • Familiarity: I've used it several times

Been using the Diluvio 16 shoecover on dry rides ranging 36-48 degrees and they are awesome. Very comfortable & warm. I think 50 degrees is the top of the range. As some have noted, you'll probably get a little sweaty inside but not cold. I don't find this to be a problem. I bought the 2XL and they fit my Sidi 45.5 like a glove so I guess that means size up! I don't find them hard to get on and off at all. As expected with a wetsuit-like fit, it does require a bit of care in stretching them on, but it's really no hassle.

2 5

Looks Nice Only !

  • Familiarity: I've used it several times

After riding 2 hours in a 30 / f. weather my toes were frozen, i will try side's hydro gtx next. I'm truly convinced that booties do not work for cold weather.

Responded on

Try fleece lined neoprene socks. Much cheaper than winter cycling shoes, and just as effective. Have yet to find a shoe that performs as well as the fleece lined neoprene. Layer the neoprene sock over a regular wool sock. Unfortunately, not many products work below freezing for long periods of time.

5 5

Warm feet :)

  • Familiarity: I've used it several times

These are fantastic shoe covers. A size L/XL fits my 43.5 Specialized shoes great. Not too tight, not too loose. So far, I've worn them in temps ranging from 35-55F, and they are great all throughout that range. They do get a bit damp from sweat on the high end of that range, but I never noticed until the end of the ride when I took them off. Feet have never been cold with these on and they block out the wind great! If you want warm feet on chilly rides, just get these. Plus, they look rad.

4 5

Good shoe covers in cold conditions

  • Familiarity: I've put it through the wringer

These shoe covers work well in 10-42 degree weather. Ventilation is not the best so your feet could get sweaty but the shoe cover will do a good job keeping your feet warm. I wear a 42.5 shoe and the S/M is tight but works. I would recommend the Diluvio shoe cover 16 for cold weather rides.

4 5

toasty warm

  • Gender: Male
  • Familiarity: I've put it through the wringer

a bit of a battle to get over the velcro elements of your shoe, but ultimately they keep your feet quite warm. with just one pair of wool socks and these on, my feet are not at all cold in temperatures as low as the 30s. will update review once weather permits me to try them at lower temperatures.

the material is simply neoprane, nothing fancy. it blocks wind and soaks up water but still insulates. when i remove them after a ride, they are usually moist with sweat but with no detriment to my warmth.

best features: zip up rear, reinforced ankle (superior to diluvio non-16 which lacks any reinforcement there and is likely to split up the backside the first time you pull it on), large reflective strip going up entire back of boot, warmth & windblocking, blocks middle vent on sole of shoe between cleat and heel pads

cons: on-off is a little violent due to the lack of any sort of smooth inside surface (it's just one noeprane membrane). i sometimes think it won't last more than a season. but only time will tell

sizing: castelli's size recommendations worked (size 43 real shoe, order L/XL and it's very right)

overall: buy if you want to stop shopping around for winter covers and just be warm

5 5

all good

EZ on EZ off kept toes toasty at around 35 degrees for 2 hours, size 11 shoes went with XXL.