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Curbing the enthusiasm - lite weight boot / GripWalk warning

Brian Finch

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In @Ron ‘s excellent recap of the new K2 boot I must admit I got a little anxious - okay a lot anxious. I’ve seen that boot in the shop along with the offerings from Head & Salomon for 2019. Now I’m a 25, so I’ve not skied any of the 26’s. However, I’ve got about 50 days in a Dalbello Lupo Factory.

Now the Factory is a Grilimid / Walk Mode / GripWalk mastery:

69E07293-C6D2-4357-97CB-0794F0010752.jpeg


My worries with this boot started one day when I met a group to skin up dawn patrol style & accidentally forgot my skins. No worries I just strapped my skis to my back and walked up. But what I noticed though was that the clog flexed an incredible amount while boot packing.

Fast forward to the middle of the season and I noticed that when I was testing skis for ExoticSkis.com, unless they had really dialed in the mounting point (something that is usually not the case & a lot of what we actually help determine with the testing), I greatly struggled with skis over 180 and wider than 100 mm. Once we got the mounting point down, it got a little bit more manageable but I really needed to finesse the turns. This was really the case with the Renouns - apologies to @Cyrus Schenck.

At about the same time I noticed that the Intuition liners that I usually love, had developed an an usual characteristic of just completely going to mush. I had never seen an Intuition “shit the bed” in so few days. My solution was to take a well molded Pro Wrap - burly liner & slap em in the Factory to improve my skiing/feel.

This really didn’t help-what I noticed in soft spring snow was that as I was 2/3 of the way through the turn the outside ski would actually run into the uphill ski. This is never happened! It was if I had no control of the uphill ski without a ton of weight on it.

The final straw for me in my cautionary tale came when @Eric Edelstein tossed me some proto 196 big mtn chargers from Liberty that were > 110mm.

Now it’s the end of the season, the snow is pretty soft and I’m not skiing hard-but I was full on ripping out of the binding. Basically the clog would just flex out and release. Now before I said anything about this I wanted to double blind the scenario so I grabbed my usual 104 mm trusted Renouns and completely went over the bindings (different from the Liberty set) and set the forward pressure, DIN and toe height PERFECTLY. Same scenario.

When I took them back to the shop and discuss the situation I was told two things:

1) “We were wondering when this would happen-pushing the envelope with these lightweight boots has been questionable. More so with skis over 100mm.”

2) “ this is a trend you’re going to have to be wary of-I would not put you in anything other than a solid sole PU boot moving forward.”

Now the shop has agreed to warrantee these in the fall and before anyone goes jumping off a cliff saying this is just N of one, I am 145 pounds and in my mid 40s-my charging days are behind me. There’s visible shear on the toe / heel lugs & most are skiing in a larger shell than mine & will have more of a moment arm to flex the clog.

I’m really fortunate that I get to test gear and regularly have a bunch of boots laying around, but if you were the average Joe you don’t have that luxury. Please consider this a cautionary warning.

I will say that the Factory for a soft snow uphill downhill boot is absolutely superb and I wouldn’t have any issues on my 85 mm touring skis in new snow, but most people are looking for that crossover boot which covers the entire quiver and if you tend to be on longer skis, charge or like to rip turns on fatter boards-it’s worth considering some of the possible issues with these sub 2000 gram boots pairs with GripWalk.

:snowball:

Discuss / Flame as needed.
 
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Wendy

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@Brian Finch ...

Is the issue the lightweight boot, its walk-mode construction, the GripWalk sole, or a combination of some/all of the above?

Since you discuss the clog and the sole, I’m assuming it’s the walkable boot with GripWalk that’s the main Issue? How does the lighter weight shell contribute?

I’m about to start a thread about a search for new boots, and a lighter weight is one of my wants. I don’t ski anything wider than 100mm and I don’t charge hard, so I’d like to be armed with a little more info.
 
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Brian Finch

Brian Finch

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@Brian Finch ...

Is the issue the lightweight boot, its walk-mode construction, the GripWalk sole, or a combination of some/all of the above?

Since you discuss the clog and the sole, I’m assuming it’s the walkable boot with GripWalk that’s the main Issue? How does the lighter weight shell contribute?

I’m about to start a thread about a search for new boots, and a lighter weight is one of my wants. I don’t ski anything wider than 100mm and I don’t charge hard, so I’d like to be armed with a little more info.

It’s not the walk mode, it’s the combination of the soft material used in the clog or lower shell and the soft material/rubber utilized in GripWalk.
 

Philpug

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What bindings were used in these sceneries? Was the flexing coming from the toe or from the heel in the release?
 
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Brian Finch

Brian Finch

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What bindings were used in these sceneries? Was the flexing coming from the toe or from the heel in the release?

Tyrolia PDX & Marker Jester 16s- the release appear to be out of the toes.
 

Philpug

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Tyrolia PDX & Marker Jester 16s- the release appear to be out of the toes.
These two bindings hold the boot from the front of the lug and rely heavily on forward pressure. I would be intersted inf you went out in a Salomon Sth or a Look 15/18, a binding that holds the boot from the top of the lug, if you would have the same issue. I honestly do not think the soles have anything to do with it, I do think that you are pushing this specific boot design (the Lupo) past what it was designed to do and yes, there could be some boot flex.
 

Mike Thomas

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TINSTAAFL.

That has always been the case and always will be. Remember TINSTAAFL, forget it at your own peril. It honestly drives me nuts that customers can't understand this... then they blame 'marketing' that NEVER told them that their new super light tech binding could handle FWT skiing.
 

Philpug

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TINSTAAFL.

That has always been the case and always will be. Remember TINSTAAFL, forget it at your own peril. It honestly drives me nuts that customers can't understand this... then they blame 'marketing' that NEVER told them that their new super light tech binding could handle FWT skiing.

I did have to look TINSTAAFL up, but I will add...

"The more you ask something to do, the less things it does well."

"Just because you can, doesn't mean you should."

So, but every product has it's limitations. Take out a (same brand) Dalbello KR2 or DRS or a (light weight) Atomic Hawx Ultra or a (light weight with Gripwalk) Nordica ProMachine and see if you have this issue, I would wager a lunch that you will not have the same issue.
 

Philpug

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I will go back to my car-isms...this is like expecting a Porsche Macan to perform on par with a Cayman. As good as the Macan is and as well as it handles, a better pilot will find the limits.
 

Mike Thomas

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Exactly. I had a conversation with a gentleman yesterday who was excited about the Salomon Shift binding because "They are saying it does everything, I can't wait to put one in my Enforcers that I ski lift access 75 days a year."

.... yeah, that's gonna be disappointing.
 

DanoT

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I couldn't remember TINSTAAFL because I didn't know what it meant. So I googled it: There Is No Such Thing As A Free Lunch.

Every one intuitively knows TINSTAAFL, which is why the Socialists go for TLTSEPF, The Lunch That Someone Else Pays For.:duck:
 

Mike Thomas

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I couldn't remember TINSTAAFL because I didn't know what it meant. So I googled it: There Is No Such Thing As A Free Lunch.

Every one intuitively knows TINSTAAFL, which is why the Socialists go for TLTSEPF, The Lunch That Someone Else Pays For.:duck:

Yeah, those dann socialist who want TAX $$ to go to help middle class families instead of the military industrial complex and billionaires who have TAX havens so they don't pay taxes. F*:'(*ng pinkos!
 

tromano

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Yes. Early in the season they felt similar, yet later I think too many fatigue cycles got to the clog.

Making the cuff stiffer at the expense of the sole being softer sounds like a horrible failure model design for an ultra light alpine boot.
 

neonorchid

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Curbing the enthusiasm - lite weight boot / GripWalk warning

Buzz Kill!

Actually, the Lupo Factory removable tongue is not something I'd want to deal with - I imagine I'd have even less tollerance for futzing around with it at the top of high alpine climb!
 
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Brian Finch

Brian Finch

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Curbing the enthusiasm - lite weight boot / GripWalk warning

Buzz Kill!

Actually, the Lupo Factory removable tongue is not something I'd want to deal with - I imagine I'd have even less tollerance for futzing around with it at the top of high alpine climb!


I would have said the same until I actually used it- so much easier & far more kinematicly appropriate. It basically feels like cheating.
 

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