Join Date: Aug 2013
Location: Steamboat Springs
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The only thing I think it could affect would be.
Toe ramp or gas pedal not getting it's full potential because of the position of the palm of your foot. ???
The straps cranking down till they almost run out of room.
The boot not having a snug fit in the base.
But I believe you could still use them. 9.5 is right at the limit of the medium before you would move to a large.