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Booster Straps: Do/How do they increase performance?

post #1 of 21
Thread Starter 
Keelty is a big proponent of Booster straps, and I was wondering what experiences the bear community has had with them. I dont really get how it would improve a stiff plug boot, since it is, in effect, absorbing your power. Nontheless, high level racers use them. What is the advantage that these provide?

(I'm thinking about slapping a 3-bander or WC on my soon-to-be-aquired Dobie 150s)
post #2 of 21
DD223, see this thread on the Booster on an XT. Don't pass go. Do it.
post #3 of 21
I never caught Steve's thread from January, but we have discussed them many times.

For me there is no substitute for the Booster on a Flexon (haven't tried them on the Krypton yet). The real key to the Booster is how the elasticity enables the strap to be put on fairly tight without being uncomfortable. The strap eliminates the typical "play" that you have on the upper cuff so instead when your leg moves that movement is translated to the shell much quicker. The sorry power straps that are normally on Flexons (and many other boots) just don't eliminate the "sloppiness" in the fit of the upper cuff.

Note that it is best to follow the Booster instructions and use the strap across the tongue of the liner, however I've found that with the 3-piece designs of the Flexons the Booster works just as well on the outside of the plastic tongue.
post #4 of 21
I'm still working out whether to put the Booster in or out now that I have the ZipFit.
post #5 of 21
I use them for racing and they do make a difference. For me, it wasn't as great a one just because I was already using a standard velcro compression strap. Right now, I have them fastened under the velcro strap, the Booster pulled extremely tight, while the velcro on the lose side. Certainly can feel a difference.
post #6 of 21
DD, I have tried lots of boots with Boosters. I even tried them on my Dobies... but I found them to be a little useless, unless the stiffness of the strap matches the stiffness of your boot. The strap is actually part of what allows you to flex the back spine of the boot. When you put something mushy in the place of something solid you get a delayed response. Of course the response if cushy and more comfortable, but it is delayed.

I know a lot of racers who swear by them, and even use them on Dobie 150's. I tried one on mine and hated it. The back of the boot didnt move because the strap was too soft to effect the flex of the boot. I might as well have not had a strap at all. In softer boots I can see where they would be great beacuse of the rebound they offer (thinking something like the technica 130 or dobie 130 and softer). I thought about throwing some on my Heads, but they are springy enough, and I didn't want the slop... but I am of the belief that powerstraps should resemble metal, not material...

Later

GREG
post #7 of 21
Quote:
Originally Posted by HeluvaSkier
DD, I have tried lots of boots with Boosters. I even tried them on my Dobies... but I found them to be a little useless, unless the stiffness of the strap matches the stiffness of your boot. The strap is actually part of what allows you to flex the back spine of the boot. When you put something mushy in the place of something solid you get a delayed response. Of course the response if cushy and more comfortable, but it is delayed.

I've also always thought that this was the urpose of the stock powerstrap on a race boot.... To prent you from flexing just the tongue and overlap of the boot and force you to flex the entire thing. Perhaps I am incorrect?


In any case, I'd be interested to try them on my Lange 130s, as they are fairly soft boots.
post #8 of 21
Ummm... I used some on my RT TI's and they were way too soft. This was the 2 strap model. I am leary of the 3-strap because I am afraid they would be too soft. The WC might make a difference. I like the fit of the boosters, just not the softness.

EDIT: I can't help but wonder why World Cup racers find them beneficial, though.
post #9 of 21
I posted this last week:

I use the Lange 120, weigh 160, strong level 8.
I swapped the stock strap at the beginning of last season for the expert booster.
The booster doesn't stiffen the flex per se, but rather changes the progressivity of the flex. With the stock strap I felt like I needed a lot of pressure to overcome its resistance but once it went there was nothing until bottom out. The elasticity of the booster provides a more consistent feel from beginning of boot motion until it begins to rebound. Does that make sense?
It translates into a more responsive boot with a snappier rebound.

The WC takes it a step further. I really appreciate the power & control in fresh snow & crud.
I spoke with Ray who makes the Booster and I'll pass along what he said.
Get the WC. It's only 2 bucks more than expert. The only difference is a thin polypropelene piece of webbing in between the 3 elastic layers. If you find it to be too firm then cut the polypro and you have the expert. If you don't like that then cut one of the three elastic straps and you have the "standard" model.
post #10 of 21
What is brand name of the product you folks are talking about?

Thanks,
post #11 of 21

Straps

I would like to see a thorough discussion on straps.

Dredging my memory back a few years I seem to recall some debate on whether to put the strap inside the shell or around the shell. Outside made the boot and shell work more solidly as a unit, inside was supposed to provide a closer tighter fit. The strap on my Koflachs could be put either way, but the stock strap on my Crossmax 10s would have a nasty kink in it if put inside the shell. I used to understand this, but now I'm can't seem to see the benefit of putting it inside anyway. Maybe I took one too many falls without a helmet: .
post #12 of 21
It think that the Booster strap may also lengthen the useful life of a liner. I bought a new pair of XT17's and was amazed by the fit - particularly the fusion between the shin and tongue. It was so much better tha the Icon's I have which caused bloody shins. But then I bought a pair of used XT's in the same size for $75 and sent the new ones back. The old ones actually fit a bit better in the length (as I hoped they would) because he the toe box was stretched, which is what I needed to eliminate the numb toe thing. But with the old boot, it was obvious that the tongue and liner behind the shin had packed out, giving the ankle too much play, almost like the Icons. I put the 3 strap Booster on and sinched it up. It closed the cuff opening and made these old boots feel much like the liner in the new boot - eliminating the propensity for shin slap in packed out liners. If that is all it does for me, I will consider the money well spent. With the money saved by sending the new boots back, I am well on my way to a pair of ZipFits. Sounds right - $350 liners in a $75 shell and $50 Booster. Could be the best of all worlds.
post #13 of 21
Quote:
Originally Posted by buz
What is brand name of the product you folks are talking about?

Thanks,
The product is called "The BoosterStrap". Check out http://www.skimetrix.com/home.php for details.
post #14 of 21
Quote:
Originally Posted by HeluvaSkier
DD, I have tried lots of boots with Boosters. I even tried them on my Dobies... but I found them to be a little useless, unless the stiffness of the strap matches the stiffness of your boot. The strap is actually part of what allows you to flex the back spine of the boot. When you put something mushy in the place of something solid you get a delayed response. Of course the response if cushy and more comfortable, but it is delayed.

I know a lot of racers who swear by them, and even use them on Dobie 150's. I tried one on mine and hated it. The back of the boot didnt move because the strap was too soft to effect the flex of the boot. I might as well have not had a strap at all. In softer boots I can see where they would be great beacuse of the rebound they offer (thinking something like the technica 130 or dobie 130 and softer). I thought about throwing some on my Heads, but they are springy enough, and I didn't want the slop... but I am of the belief that powerstraps should resemble metal, not material...

Later

GREG
If you use the strap as prescribed by the maker and put it between your tongue and cuff, what your are saying makes litle sense, since you can tighten the booster much tighter around your lower leg then you can a powerstrap outside of your upper cuff. Your upper two buckles still connect the upper cuff to the spine of your boot, and you get much less play and more rebound.

I am in a HEAD RD96 plug which is easily as beefy as the Dobie 150, in fact I found it to be stiffer. I am skiing the RD with the lower screw removed (tried all combos) and a triple booster inside of the cuff. Works like a champ.

Understand, I have very slim lower legs and this allows the boot to fit me more snugly with no gap then any boot I have ever owned.
post #15 of 21
A-man, I keep the power strap around the tounge and not over the plastic (actually falls in this place naturally on the Dobie). The booster works fine for getting a tighter fit around your lower leg, but I didn't like the spongy feel of the booster in comparison to the solid feel of the normal strap. I am going to a stiffer boot than the Head next year for free skiing, and may adopt a Booster on those (either a beast or Dobie 130). Note though that I have never used the WC Booster with the 3 layers and the polypropelene...

Later

GREG
post #16 of 21
I've got 'em on my Lange WC150's...they make the boot more responsive, due to the constant contact between my shin and the tongue of the boot.

I do find that unless I'm skiing on them lots (training days), and standing around more (race days), my shins do tend to get a bit sore...though, I'm not totally certain if it's due to the booster's added shin pressure or just the fit of the boot.
post #17 of 21
Thread Starter 
I saw them on Bode and Antoine Deneriaz's boots, so that definitely says something. Deneriaz looked as if he was running both the Atomic strap and the booster, with the booster below the Atomic strap. It was hard to tell, but you get a clear view of it when he lays down on the snow at the end of the race.
post #18 of 21
Anybody got a good (read cheap) place to buy them? Online since no local shops here carry them.
post #19 of 21

20% Ski Metrix (Booster Strap) discount for ski club members

Quote:
Originally Posted by Defcon
Anybody got a good (read cheap) place to buy them? Online since no local shops here carry them.
If you are a member of a ski/snowboard club in the Far West Ski Association (FWSA), you can get a 20% discount on the Ski Metrix Booster Strap. For more details, go to www.skibac.org and click on Benefits in left navigation bar.

Far West Ski Association (FWSA - 6 Western states including CA, WA, OR, NV, AZ, NM; 10 regional councils; approximately 160 clubs with over 40,000 members) www.fwsa.org
post #20 of 21
post #21 of 21
Ahem..thread revival.

I am still considering these things and am still wondering if I should fork over the cash. I like my boots tight and stiff. I usually have to unbuckle in between runs. I have worn my powerstraps so tight that I cut off my circulation, so I am wondering if the WC Boosterstrap would allow me to have the tightness I like without killing my legs. Sponginess is what is worrying me about these things.
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