Koflach degree size 9

[Tekla]

I have some never worn koflach degree size 9.
Brand new. 200 bucks

 

[Tekla]

 

[Sverimerica]

Hi, question about your Koflachs, if you still have them: what is the size difference between the inner and outer shell? Wondering if my size 10 feet with a smaller liner would work, as described in Mark Twight's book.

Thanks

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