OLCV is a technique they build the frames, by, Trek, Their term..
You may be misusing the acronym , Sidi is cueing on that , perhaps ,
by mis-applying it to shoes..
I paid $20 for a $150 pair of shoes.
now you know why they got rid of them..
May have gotten value just from typing for a week, about them ..
Treat it like a boat repair perhaps?
Grind off across the crack , leave it rough.
mix epoxy , and lay some more carbon cloth across the gap
get out all the air bubbles.. Vacuum bagging is one technique,
then let it cure.