Play with the SUM V2 roster to fix the problem.
You can also try this.
SUM V2 Shoes Fix
Extract those files into your save folder "My Documents\NBA Live 07\saves\
DYNASTY OR ROSTER NAME." Then run the Accurate07.bat file. This will update the players so they are wearing the correct shoes. You should also backup the teamgear.dbf file and copy the one from the
SUM V2 roster, that way the team colors and team shoes are updated, along with the jerseys that were included with SUM included.