Credits to TUNEVI for kit template modifications made by me.
Copy Files to:
C:\Program Files (x86)\Origin Games\FIFA 16\data\sceneassets\kit
To get the proper collar to referees you need to copy these entries to lua assigments in:
general.lua
generalhq.lua
generalnq.lua
assignTournamentRefereeKitCollar(353,0)
which are found here
C:\Program Files (x86)\Origin Games\FIFA 16\data\fifarna\lua\assignments