Sidi Shoe Sizing

zac · Mar 31, 2008

Some of you guys are really squeezing into those shoes. I am a US 9, (actually just a shade under between an 8.5 and 9) and have always worn 44 1/2s in Sidi's regular. My foot is somewhat narrow too.

hawker12 · Apr 3, 2008

Strohman,
Hope this doesn't muddy the waters for you....
I wear a street size 8 in a medium width. I have had a pair of Genius 4 shoes in a size 41 for two years. They fit...but the width is a tiny bit tight and the overall volume is a tad tight. They feel fine for the first twenty miles but then I start to realize they're there....if you understand what I'm saying.

So..after two years of feeling I'd like just a bit more comfort I bought a pair of Specialized Pro Road. I tried the 40, 40 1/2, 41 and 41 1/2 and the 41s were dead on. So...the 41 Sidi and the 41 Specialized were essentially the same shoe except for the fact that the Specialized just offers a bit more volume and that gave me a much more comfortable shoe. They are also a millimeter longer (which is no problem) and a LOT stiffer and lighter.

Good luck.

Steve

steven55 · Jul 6, 2008

specialized pro carbon versus sidi ergo 2

I have a pair of specialized in a 42 and feel the same as a sidi 42.5 after the custom insole in the specialized. I may go to a 42 sidi because I feel like I.m slipping some in the heel with the 42.5 sidis. My u.s. size is just a hair below a 9. The bottom line is specialized do feel bigger than sidis without a doubt. It just depends whether you are using their custom insole as to what size to get. I run a 42.5 in the genius sidi and it feels good but the ergo carbon 2 is just a hair bigger- for what its worth. I switched from the specialized because the vari sole makes the outside ball of my foot feel sore after 50 miles as if the foot is sliding to the outside corner.

95624 · Jul 6, 2008

Sidi's half sizes use only full size soles. So a 43.5 is a wider upper on a 43 sole. You can confirm the sole size by looking at the size stamped on the bottom of the sole. The whole sized 45 fits my narrow feet great.

classicroad · Jun 30, 2012

I do find they run a bit small. My normal shoe size is 10. My first pair of Sidi's was a 44.5, and they felt too narrow, although I always wear standard-width shoes. My second pair is a 45, although I have not used them yet.

Tschai · Jul 1, 2012

I have wide feet, size 11. I wear a 45 in Specialized, Sidi and Lake.

Sidi Shoe Sizing

zac

hawker12

steven55

95624

classicroad

Tschai

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