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Boot size to US conversion?

post #1 of 18
Thread Starter 
Does anyone else note that boot size conversions seem to be wacky?

I'm a size 12 (wide). I bought a pair of size 11 1/2 shoes once, because that's how I was fitted and 'they would stretch'. They didn't. Or, at least, they didn't before I couldn't take it any more. I bought a new pair of hiking boots this year (12 wide) and I might be hosed since the toes on one foot bump against the front just a little too much.

So, with this in mind, I head down to the local boot shop and ask to try on something like 30s. And after he looks at my foot size, he gives me the "geeze.. another customer that doesn't know squat about ski boot sizing!" look.

According to the thingie, I'm a size 28! That's a size 10 US! I did try on boots, and they did seem like a good starting point. I might be willing to say that I'm reallly a size 11.5 or maybe even 11 and it's just my wacky foot that requires me to wear 12s. But 10?! No freaking way.
post #2 of 18
Ignore the size.

Shell fit the boots and get the ones that fit regardless of what is printed on them for size.
post #3 of 18
First of all the sizing information on the tags is not always accurate. Different brands fit differently and sometimes the sizing tags on the boot are gone. The first step is to shell fit. With the liner removed, your foot in the shell only, and your toes touching the front of the boot, you should have NO MORE then 2 fingers, 2 cm or ¾ inch between your heel and the back of the boot. You also want about 1-3mm around the width of your foot. Yes they will feel a bit snug at first, but they will pack out,

Put the liner back in and lace or buckle the boot up and make sure that your heel is back all the way in the boot. Then when you flex the boot forward, your heel should stay down, your toes should come back from the front of the boot, and they should feel comfortably snug. Keep in mind that they will stretch out ¼ to ½ size as your foot works it way back in in the boot, and the liner packs out and molds to your foot.

If you go bigger then this your foot will slide around, and cause blisters, you will have to over tighten your boot to make the foot stay in place, cutting off the blood flow and making your feet colder. Boot fitters can make a small boot bigger, but can not make a big boot smaller.
post #4 of 18
Originally Posted by ChrisInSeattle
Does anyone else note that boot size conversions seem to be wacky?

...According to the thingie, I'm a size 28! That's a size 10 US!
Actually, 28 is pretty close to size 10 UK, which is about 11.5/12 US.
post #5 of 18
Thread Starter 
Originally Posted by Wear The Fox Hat
Actually, 28 is pretty close to size 10 UK, which is about 11.5/12 US.
I was referencing this chart:


Perhaps it is in error?

Not that it really matters; I'm just wondering. Maybe I've been wearing the wrong shoes all these years.
post #6 of 18
I was basing it more on experience - I'm a UK size 10/10.5. My ski boots are 28.5 (although when I next change my boots, I may come down a 1/2 size), but any time I've tried shoes on in the US, the only ones that have fitted have been 11.5-12.
post #7 of 18
I'm not convinced by that chart tbh. I'm a UK 7/Euro 40 in street shoes and I came down from a 27 to a 26 when I changed boots last year. Granted the 27 was too large, but if I try and force my foot into a 25/25.5, my toes are practically folded under my foot
post #8 of 18
Here's an easy size conversion:

Mondo Size : 26.0 = 20 + 6. 2+6 = 8 Shoe size.

28.5 = 20+8.5. 2+8.5=10.5

It gets funky here: 30 = 20 + 10. 2+10=12.

To go backwards: 11.5 = 2+9.5. 20+9.5 = 29.5.

13 = 2+11 => 20+11 = 31.

I use a 29 shell for my size 13 flipper -- It's punched and ground out big time. I should have got the 30 shell. Funny thing, in some brands the 29 shell fits me great! In all brands, the 31 is way too big.....
post #9 of 18

boot sizing

I agree with all of you, especially Big E.
post #10 of 18
google: boot sizing or fitting
post #11 of 18
google: ski boot sizing or fitting
post #12 of 18
Thread Starter 
God, I hate ski boots.

I ordered one of the boots that I had tried on previously in a shop, Head 10.7s in size 28. This is one of the boots the guy who helped me and I wrote down on a card. (I tried to go back to the shop and try them again, but they'd already reduced inventory)

The boots arrived today and they're not as I remember at all. I can just barely get the shell on. The length meets the finger test, but just the shell by itself squeeeezes my forefoot bones. I can not get the liner alone on my feet - at all - without removing the footbed.

Crap.. why are these so different than I remember? Did he fake me out and write down the wrong size? Or the wrong boot model?

Buying ski boots over the net is dumb. At least the other pair I ordered is from REI - no shipping or return costs.
post #13 of 18
I just bought a pair of Head FR 9.7 N97 boots off of the net without ever even trying them on in a shop (couldn't find any) and they fit perfect. I told the business owner my shoe size, I told him I have a narrow foot, and let him know I wanted a performance freeride boot and he showed me these, I sent him money and three days later a pair of perfect fitting boots showed up at my door. If the salesman really knows their stuff and knows how each individual boot fits, they can be really helpful.
post #14 of 18
Thread Starter 
Okay, maybe these aren't quite as bad as I had feared. I put my old liners in the new boots and they don't seem quite so insane. As in, possibly within punch-out range.

Maybe I'll order one more pair of boots to try. It only costs me $10 to return each one that doesn't work. :/

Forgive my babbling. Ski boots bring out the worst in me.
post #15 of 18
Ski boot sizing has long been a hassle. Even when you finally get the right boot in the right fit, it will change over time. So it's never a certain thing. When I find a good boot, I tend to hang on to it for 8-10 years, basically until the bottoms wear out.

I tried on some Nordica Speedmachine boots earlier in the week, in anticipation of the local shop's 50% off sale. Even talked to the sales guy and told him I would be back on Saturday. Go back for the sale today, and there is a tag under the boots that said "Speedmachine 10 12 14 not included in sale"!! WTF. The only good boot in the store is not included in the "everything 50% off" sale. Guess I will give my $$ to an online shop. At least I know my size now....
post #16 of 18
A) Use the search function...

B) Pay attention to mntlion. Pay no attention to any stupid size conversion charts. And they are all stupid in the context of boot fitting

c) Go to a good bootfitter. Unless you really, really know what you are doing, do not order online (and I'm usually a fan of ordering online). You may well get a boot that does not fit. And even if you get the right boot, it may well require some "work" - and by the time you pay for any punching/grinding you've chewed up your savings, since most decent shops include that in the basic boot price when you buy from them.

D) Unless you know exactly what you are after, consider avoiding the spring sales. The inventory in most shops is low - so you will not have the benefit of shell sizing a range of boots - let aloone comparing fits with liners. 50% off on the wrong boot is no bargain. Given the time and dollar cost of skiing, how many days do you want to flush?

E) As the search function will reveal, a good bootfitter can make a boot quite a bit "bigger". No amount of padding or shimming will make it smaller the right way.
post #17 of 18
Thread Starter 
Well, I bought new boots, and I'm pretty excited.

As I said, I ordered 3 different large volume boots online. And today I took them all down to Jim Mates - the master boot fitter here in Seattle. I told him no problem at all if he didn't think any of those boots would work for me - I'd just send 'em back, pay him for his time, and see him next year.

One of the boots I brought was a Salamon X wave 9, and that's the one we're going for. Jim boiled a pot of toil and trouble and spoke several magical incantations and produced a list of modifications as long as my arm, but assured me that he could give me a comfortable and performant skiing experience.

Sooo.. I go back in a week to pick up my boots. Can't wait. Hope it works out.
post #18 of 18
mondopoint sizing is preposterous.
euro sizing is about the best graduator i know of. I'm like a 9.5w US, and a 42 Euro. my mondopoint size seems to vary according to tide charts and the etruscan lunar calendar
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