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Proper length for AT boot

post #1 of 5
Thread Starter 

Hi all - I ski a Lange RS130, 26.5. I have 11-12 mm shell fit, and the width is snug to say the least; I'm 104 mm across the mets. (But have a very narrow heel and ankle.) So obviously a lot of blowing out in front for the sake of the good ankle. And if I'm a touch back in these, I'm reminded with squashed toes and forefeet. But, combined with an Intuition Dreamliner, these work really well for groomers, Masters racing, and bumps back east. In fact, these have the best out of the box fit for my duck feet of any boot, any brand I've tried. That includes Head, Salomon, Dalbello, and Technica. 

 

But here's my dilemma: Want to get AT version for western resorts, 50% sidebounds hiking, some minor skinning, so mainly a down boot not up boot. But nearly killed myself using the RS's on a rock ledge, so have to have the AT walking functionality and sole.

 

Everyone says AT boots should be a bit roomier, to allow for foot slide. Fine, and that was my experience with old Frischi's and a borrowed pair of tech boots. But if I stay with what fits my foot shape - Lange XT's - and go to a 27.5, that means a 22 mm shell fit. OTOH, a 12 mm fit seems kinda nuts for my mission. When I've tried it (owned 26.5 LV XT 130's), definitely toes were on the way to blacking out. 

 

Additional info: Have tried various XT and RS sizes in store, 27.5 in either is definitely nice in front but I can feel the extra space in back. The 100 mm version is great up front, a touch wide in back. So I've been considering a 27.5 LV XT, and going to a higher vol liner. Or staying with a 26.5 but going to a 100 mm last and assuming that'll create more toe room. 

 

Finally, also unclear whether the standard LV last (97 mm) is measured at 26.5 or 27.5. If 26.5, then my understanding is that the next length is +2 mm wider. I want to move to a 100 mm width for an AT boot, but I don't want 102 mm. 

 

Thanks for the help. 

post #2 of 5

width talk here:

http://www.epicski.com/a/boot-fitting-which-boot-will-work-for-me

 

"

So what width boot do you want to buy?

 

First of all, this is very general info, and just a guess.    Different boots will fit differently. Even if they have the same numbers,  they will not necessarily fit the same.   Also,  different people want, need, expect different things from their boots.   So when in doubt, please ignore all this and TRY THE BOOTS ON.

 

So basically, the published boot widths are based on a standard size 26 (both mens and ladies) and are the measurement of the width of the widest part of the forefoot.   So a 95mm width foot is narrow and a 104 is wide, right?  Not really.   This is because the width is proportional to the length, and the length is based on a sample size of 26.   So if you have a 100mm wide foot, but wear a 23 boot,  that makes your foot wide. If you have a 100mm wide foot, but wear a 29 boot, you have a VERY narrow foot/boot. To remain at the same 100mm width, you need to change 2-3mm per size up.   So a 100mm/average width actually measures  95mm in a size 24, and 105mm in a 28.      So, this makes it all clear as mud, right?

 

All this is assuming that all companies measure from the same place on the foot, are using the same angle, and are they measuring the foot or the inside of the shell of the boot, and is your foot touching this shell anyways? This is also just the width measurement, and doesn't take into account the overall volume, the vertical height of the forefoot, and the heel cup size, or a host of other things.

 

So yes, this can give you some info on your foot/boot, but is just a very small part of the equation.     To get good help, please see your local ski boot fitter, to get an idea of what actually works for you.   At most stores, you are best to call ahead, bring in your old boots, some very thin socks, and any footbeds you have.


"

post #3 of 5

12mm shell fit, assuming your heel is in place, is fine for a 50% AT boot.    just make sure your heel is held

post #4 of 5
Thread Starter 

Thanks, mntlion. The 12 mm response is helpful. As far as the rest, I feel you answered a different question than I asked, sorta the autopilot "what boot should I buy?" response. I was probably being opaque and wordy. SO:

 

1) I know Cirque's intro, I understand the concept of scaling up, relative proportions, Mondo, etc.

 

2) I know last width advertised for a line is taken off a specific length, and that it typically increases or decreases by 2 mm per length (which incidentally doesn't literally preserve the actual proportions of a foot, but is more realistic for production).

 

2) I was trying to find out specifically if the "97 mm" last width for Lange LV's is taken off a 26.5 or 27.5, or is the same for both. (I have read various versions from well informed people here; Lange itself seems to indicate it's the same for both, but their wording is typically ambiguous, and I'm dubious they would have the same width for two lengths.)

 

Lange reps?

post #5 of 5
Quote:
Originally Posted by beyond View PostI was trying to find out specifically if the "97 mm" last width for Lange LV's is taken off a 26.5 or 27.5, or is the same for both. (I have read various versions from well informed people here; Lange itself seems to indicate it's the same for both, but their wording is typically ambiguous, and I'm dubious they would have the same width for two lengths.)

 

Lange reps?

 

not 100% sure, but I assume that lange uses 26 shell (like everyone else) as a reference point

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