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How wide can you stretch/punch the forefoot on Dynafit tlt5 (Or DYNA Race). Does the acti-flex zone make it more difficult?

post #1 of 4
Thread Starter 

I've got a chance to get some used dynafit tlt5's or possibly the DYNA race too. They both have that active flex zone shown here where the shell forefoot has these slits along the sides to allow more flex: https://www.wildsnow.com/images-blog/eu-09/IMG_3312-dynafit-boot-cutaw.jpg

 

Does this make it harder or trickier to stretch the forefoot wider?

 

From what i understand, the tlt5 is pretty narrow throughout. I tried on mercuries a while back and it it's anything like that, i'd definitely consider it narrow for my feet.

 

I got weird dimensions. My bigger right foot is ~ 103-104mm wide in the forefoot, but very narrow in the heel/ankles.

 

I don't want to just find a wider last boot because 1)my left foot feels like it's 2mm narrower than the right and 2) i need the heel area to be narrow.

 

I know people have done punches on these things but can you really take it all the way to 104mm? Can you treat them like plug boots?

 

I found this mod where the forefoot width is widened through heating and clamping the front with a tennis ball inside. How much width can you get out of this?:

https://www.wildsnow.com/6285/dynafit-tlt-5-the-mods-continue/

 

Here's another one. I wonder if this mod would work (bottom of page) to get it stretched more uniformly:

http://eaglecapbc.com/2013/12/13/fitting-the-dynafit-tlt6/

 

Also is there any difference in women's boot shells for dynafits? I heard the heel area on women's lasts are narrower.

post #2 of 4
Thread Starter 

By the way, looking at that mod where they heat up and clamp down on the toe area, has anyone ever tried tried to make the heel narrower by heating and clamping the back area? Or just by punching the heel in certain areas?

post #3 of 4

You first link doesn't seem to work BTW.

 

Have you actually tried this boot on? or the other one you mentioned?  Just because a boot can be punched to accommodate anomalies in foot structure doesn't mean that it will fit comfortably.  I have no idea what the last size is on this model, but if the last is stated as say 100mm, that means 100mm for a size 26.5 boot.  For a size 27.5 the last would be 102 and for a 25.5 it would be 98.  The 2mm change in last size also means that the entire volume of the boot increases or decreases with each change in size.  Something else to consider is that these boots come with heat moldable Intuition liners.  With a used boot you really have no way of knowing how many times it's been molded and you can't remold them indefinitely  .With a new rather than used AT boot, either Dynafit or Scarpa you get a brand new Intuition liner and the heat molding process will take care of your heel, provided it is done correctly.

post #4 of 4
Thread Starter 

Before moving any futher, I forgot to mention that i'm using these boots for splitboarding. The splitboarding forums are pretty dry right now so I'm here.

 

Haven't tried the tlt5. Did try a Dynafit mercury. Heard it's similar but wider. Gonna go try the tlt5 soon. I was told no significant width modification has been done to it. 

 

I'm really not too worried about other areas of the foot. I've tried on other very low volume boots and the pressure points are usually always the same; at the widest points and also the front of the big toe. Instep is always fine and the ankle/heel area can never seem to get narrow enough.

 

The boots I've test fitted so far were all down one shell size. I measure a 26.5 and the Garmonts i use right now are a 26.5. Could already tell i can go down lengthwise. For the garmonts even at 26.5 the width was way too narrow and the heel was way too loose even after thermoforming the liners so going up in size doesn't necessarily solve the width issue. 

 

An example of a boot that actually fit me decently was the Dalbello Kyra. A women's boot. The width was a 102 and the length was 25.5. Even then i could go a little wider in the front. This pair would be 4 lbs heavier than touring boots though. 

 

I'm basically trying to find the lightest touring boot with the narrowest heel pocket and a forefoot i can stretch out to 103-104mm.

 

So far it's narrowed down to the mercury and sideral but i heard the tlt's are even narrower. 

 

I also realized having the 45 degree buckle at or close to the cuff pivot helps a lot with the heel hold too. I did see a tlt5 modded with this buckle setup. 

 

What actually seemed to work the best for heel lift is zipfit liners. Really seemed to fill in the free space in the heel despite any shell. The trade off is the weight and price though. Might just resort to this if nothing else works, but i heard it's best just to get the overall shell geometry as close as possible first before compensating with the liner. 

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