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Sidi Road Shoes.What size do I need.My sneaker size is 11 US

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Sidi Road Shoes.What size do I need.My sneaker size is 11 US

Old 11-22-07, 06:39 AM
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Sidi Road Shoes.What size do I need.My sneaker size is 11 US

I have never purchased Road Shoes before.I was told that Sidi is a good brand.

I'm wondering what size I will need.

I wear 11 US tennis shoes.

Any idea?
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Old 11-22-07, 06:42 AM
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Roughly 44 or 45. But definitely find somewhere to try them on first!
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Old 11-22-07, 06:43 AM
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45 to 46, Sidi's run a little small. I would also opt for a 1/2 size larger to accomadate thicker socks for cooler days.
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Old 11-22-07, 06:47 AM
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I'm a 10 and the 44 is just right. I'd guess a 46 for you.
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Old 11-22-07, 06:57 AM
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Buying shoes on the net is a true crapshoot. Trust me. Someday I'll ebay off my 2-3 "near-misses." Fortunately they were attempts at bargain-hunting and all combined cost less than a new pair of upper-line Sidis. Still they represent wasted opportunity costs.

Road shoes are expensive and the prices in a LBS can make your heart stop but there's no substitute for trying them on.

If you take their time you really ought to buy from them too. I don't hold to the "sacred obligation to support the LBS at all cost" dogma that some here spout but trying on shoes so you can buy from the net is low.


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Old 11-22-07, 07:05 AM
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Here is the size chart from the Sidi website.
https://www.sidiusa.com/contents/en-us/SIDIShoeSizer.pdf

I used the above to determine my size then bought from an LBS that was having a sale.

Looks like you need a 45.5. Do you have wide feet?
I do, so I have megas.
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Old 11-22-07, 07:11 AM
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Sidi has a fitting system. I strongly suggest that you allow someone to fit you and buy the shoes from that store, at least the first time. If you screw up and buy on-line, by the time you ship them back, wait for a new pair, etc...you'll end up spending more time and money.
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Old 11-22-07, 07:12 AM
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Originally Posted by Walter
If you take their time you really ought to buy from them too. I don't hold to the "sacred obligation to support the LBS at all cost" dogma that some here spout but trying on shoes so you can buy from the net is low.
Yes it is. Thanks for saying that.
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Old 11-22-07, 07:26 AM
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Originally Posted by RonH
Here is the size chart from the Sidi website.
https://www.sidiusa.com/contents/en-us/SIDIShoeSizer.pdf

Looks like you need a 45.5. Do you have wide feet?
I do, so I have megas.
No.
I'd say normal to narrow and not much arch.

Is there a particular Sidi shoe that would fit that type of foot well?
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Old 11-22-07, 07:59 AM
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Originally Posted by RonH
Here is the size chart from the Sidi website.
https://www.sidiusa.com/contents/en-us/SIDIShoeSizer.pdf

I used the above to determine my size then bought from an LBS that was having a sale.

Looks like you need a 45.5. Do you have wide feet?
I do, so I have megas.
Yeah, that sizer works really well. Put a book on top of it at the bottom end, and place your heel against the book. If you're between sizes, round up a half size.

Don't go to the LBS if you're not buying from there. Uncool.
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Old 11-22-07, 09:02 AM
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I think a 45 will be too small for you. I wear a size 10 Adidas sneaker which is a 44, I wear size 9.5 street shoes (mostly Rockports). My Sidis are a 45 and they fit well - my toes touched the end in a 44. I would wear a 44 in a Specialized.
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Old 11-22-07, 09:43 AM
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I wear a US 9.5 or 10. I went with 43... wish I had a size bigger.
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Old 11-22-07, 10:37 AM
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I wear a 10.5 to 11 street shoe (depending on the brand) and I buy a 46 in Sidi.

They're narrow, and your feet swell when you ride in the heat. Learned this with my first pair which I bought at 45, based on an estimate from my regular shoes.

The 46s leave me a bit of room in the toe box but can be cinched up fine across the ball of my foot as the shoes are hugely adjustable. And even though my feet are on the narrow side, I don't pull them that tight.
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Old 11-22-07, 10:54 AM
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I just bought a pair. I wear size 11 and I needed a 46. They actualy ordered me a 45 the first time and they were to small.
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Old 11-22-07, 04:51 PM
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Looks like I'll be going to the local shop and asking for a 46.

It would be nice to purchase online but since I've never had a set there's too much uncertainty there.

The online purchase would probably save me an easy 40-50 bucks since there is a 20% deal out there today.
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Old 11-22-07, 05:37 PM
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Yes, make sure to go try some one. I wear a 10.5 US tennis shoe but wear a 11 US Sidi.
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Old 11-22-07, 06:06 PM
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The guy who will be doing my full bike fitting said the best way to purchase shoes would be to stand in a dark room and see how they feel.
Just try not to look at them too much or this will effect your choice.

He said unfortunately the looks factor in way too much with some people.
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Old 11-25-07, 09:43 PM
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I went to a shop today and tried some sizes on wearing a Pearl Izumi Attack Sock.They're pretty thin.

45-Too small and the arch was digging into the sides of my feet.It was a snug fit that wasn't uncomfortable, but I could tell that it wasn't going to work for riding as you guys have mentioned that your feet swell a bit.It didn't allow my heel to move up and down very much.

45.5- Much better.Darn near an exact fit I'd say.
With the straps slightly lose they allow a little wiggle room from side to side.
The heel was allowed to move up and down a bit more.


46-Seemed a little big even with all the the straps pulled tight.
My heel was sliding up and down quite a bit.

I opted for the 45.5

That sound right to you guys or should I have purchased the 46's?

Also is it wrong for me to assume the 45.5's will stretch a bit also?
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Old 11-25-07, 09:52 PM
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I wear a 10.5 US (sometimes an 11 US) and had to go up to a 46 in SIDI.
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Old 11-25-07, 10:04 PM
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Originally Posted by terry b
I wear a 10.5 to 11 street shoe (depending on the brand) and I buy a 46 in Sidi.

They're narrow, and your feet swell when you ride in the heat. Learned this with my first pair which I bought at 45, based on an estimate from my regular shoes.

The 46s leave me a bit of room in the toe box but can be cinched up fine across the ball of my foot as the shoes are hugely adjustable. And even though my feet are on the narrow side, I don't pull them that tight.
I wear a 10.5 - 11 street shoe, and love the fit of my size 45 sidi's. I can wear std road sock like Defeet Aerator with this fit and not swim around. I have a low volume foot a really like the narrow last used by std sidi's.

My recommend the posted buy 46 sidi's, or 46 mega's if he/she has wide feet.
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Old 11-25-07, 10:28 PM
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Originally Posted by PhilThee
I have never purchased Road Shoes before.I was told that Sidi is a good brand.
I don't know how to guide you on size, but I can guarantee you that you are buying an amazing shoe. Getting the S5? I just bought a pair and they are like butter on the foot. I rode four double centuries last year, and man, do I wish I had bought those SIDIs sooner.
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Old 11-25-07, 11:03 PM
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Yes I purchased the Genius 5's
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Old 11-25-07, 11:23 PM
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So just how much do feet swell?

Should I be worried that I might have purchased a size too small?

I purchased the 45.5's.
With thin cycling socks and the straps a little loose my feet have a little room to move around but not much.

Should I have purchased the 46's?

Wearing the 46's and a thin sock with all the straps pulled tight my foot was allowed to move around and my heel was able to move up and down quite a bit.

____________________________________________________________________________________________________ ____________

I just placed my cotton athletic socks over my thin cycling socks and walked around a bit.
The 45.5's still seem about right simply by loosening up the straps.

Just how much room do I need to allow for my feet to swell and can I expect the shoes to stretch?
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Old 11-26-07, 12:52 AM
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Sizing

Originally Posted by PhilThee
So just how much do feet swell?

Should I be worried that I might have purchased a size too small?

I purchased the 45.5's.
With thin cycling socks and the straps a little loose my feet have a little room to move around but not much.

Should I have purchased the 46's?

Wearing the 46's and a thin sock with all the straps pulled tight my foot was allowed to move around and my heel was able to move up and down quite a bit.

____________________________________________________________________________________________________ ____________

I just placed my cotton athletic socks over my thin cycling socks and walked around a bit.
The 45.5's still seem about right simply by loosening up the straps.

Just how much room do I need to allow for my feet to swell?
Try on shoes at the end of the day when your feet are at their maximum size.
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Old 11-26-07, 03:40 AM
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definitely 45. we have the same US size 11 and I always get 45.
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