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K2 Thraxis & boot fitting

17K views 37 replies 6 participants last post by  Board Doctor  
#1 ·
My feet froze in Ride Insanos last year (size 8). This year I got the Thraxis in size 8.5. They fit great fresh, but after 15 or so days they’re packing out. I should be in an 8.

My main issue is the ankle bone which even got a little bruised today. There’s almost no cushion in that teal part so it kinda hits the side of the boot. Should I add some foam around the teal bit, over it, or both?

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I don’t like the conda over my arch either, so I’m not running that very tight.

Hopefully it’ll warm up soon and I can wear the Insanos more regularly. For the future, I’m not sure if I’ll eventually try the Thraxis in an 8, or try something else.

Last year the boot fitter said an 8 was a performance fit, I think he was right. According to my foot scan I could go even smaller, but I can’t see that working with my arches & instep.

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Discussion starter · #36 ·
That’s a good question, I don’t recall noticing it initially. I’m not talking huge bulges, but I can feel the tension where the laces are and it’s not a consistently snug wrap. After about 10 days I actually added a layer of foam to the upper tongue to make it a little more snug up top.

I like my leg supported so that it articulates with the boot rather than moving inside it.
 
Discussion starter · #26 ·
The Pro Tour HV is good, but if you had the option I'd probably go with the full stiff tongue.

With just the 2 boa knobs, you might look at the Dreamliner HV, as it would have a more material around the articulation/instep. I tried the medium volume that was in stock. It wasn't enough, but it was a really nice liner.
 
Discussion starter · #19 ·
I took last weekend off and, while my ankle is still a bit sensitive, I finally got back out.

Here’s the liners that I got (high volume):

Intuition on the left, Thraxis on the right:
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It seems to be 2 to 3 times as thick in most spots and the white material is quite stiff, almost like an outer shell. You can also get a stiffer tongue that’s not just stiff up top, but all the way through.

The pro tour has a flexing area cut out by the instep. I think this is practically a necessity with the HV. Even with that cutout there’s still a bit too much volume around there. Enough that the ankle strap doesn’t come as far over the boot and the upper boa doesn’t tighten around the calf as much as I’d like. I had them heat molded, but might go for another round.

Hopefully I can get a couple seasons out of these… but I wouldn’t buy the Thraxis again.
 
Discussion starter · #18 ·
The Power Wrap Plus seemed too bulky around top, but didn’t really hug my legs either. Might work with a power strap? I didn’t mold them obviously.

The Pro tour HV just feels right.

I'm not sure if the Dreamliner (without the articulation area) would've provided more support around the side of the instep, or just got in the way of the 3rd boa. But it wasn't high volume and just wasn't snug.
 
Discussion starter · #14 ·
Why are you getting another liner? 😂

You can get them from Home - Intuition Liners (but not at the clearance pricing).

I ordered one for pickup at MEC. Hopefully my bruising is better in a few days and I’ll probably get it fitted at pickup (stock is low and I didn’t want to miss it). Apparently microwaved rice or ovens can work though. I’ll post how it goes.

It’ll ship for free in Canada… if there’s someone closer to the east you could ship from there cheaper. If not, send me a message (sometimes I can’t get stuff from the USA).
 
Discussion starter · #31 ·
Reduced footprint to some extent, but it depends on the materials (insulation). I think a bigger factor is the thickness of the outsole, which gets you up off the frozen stuff. I don’t need to feel everything underfoot… I like some dampening and warmth!
 
Discussion starter · #27 ·
End of season update…

I did heat mold them again myself. I put the boot dryer on heat with 2 hoses in each boot for 30 min and it worked. Over the next 25 days it did pack out around the instep and got more comfortable.

I did start using a strapin power strap right above the instep. I would’ve liked to go higher, but it would slide down. It didn’t add any tightness over the boa, but did allow the instep & top of boot to loosen up a bit riding, while keeping it tight and supportive just above the ankle.

I doubt I’ll get another 50 days out of the Thraxis shells.
 
Discussion starter · #24 ·
I got the strapins. Intuition makes them as well, but I went with the recommendation here.

It helps, but doesn’t really work like I thought it would. I was hoping to add support between the boa straps, but it wants to slide down to where they cross over, which is the narrowest part of the boot. It does keep that area nice and snug though, allowing the boa to loosen up a bit over the instep.
 
Discussion starter · #23 ·
I haven’t, but that is something to consider. I’m not sure it would be very helpful below the boa knobs, but there’s not much boot above them.

I’m kinda hoping that it packs out a bit around my instep, allowing the upper part to get tighter. It’s not bad, but it could be better.
 
Discussion starter · #21 ·
No, definitely no heel lift, the ankle is really locked in. It’s just not as tight up top. The lowest part of the upper boa is really tight, so the upper part of the upper boa just doesn‘t get as tight. It’s like I need to squeeze some of that foam upwards.

I like having the top of the tongue tight against my tibia for better response.
 
Discussion starter · #16 ·
Those liners were way too big. Going with the high volume pro tour. It has an articulation point that may or may not be good? The dream liner looks VERY nice, but not HV so a bit loose for me.
 
Discussion starter · #10 · (Edited)
I ordered some stuff from tognar... but actually considering a whole new liner. MEC has them at 52% off right now:

It says for half sizes to size up, but I'm really not sure about putting my size 8 foot in a size 9 liner in a size 8.5 shell.
 
Discussion starter · #3 ·
Thanks for the suggestions… when I looked at the liner design I figured I couldn’t be the only one. What material did you use and where would I find it?

My Pedorthic scan does looks like it could be a 7.5. When I do wiredsport’s stoked method I get about 258 (which jives with the boot fitter) and even more if I pronate my foot and flatten the arches a bit. But I do have the kneed2move insoles in these for some arch support.

I think you’re right that the K2’s seem to fit a bit bigger than the mondo size.