I used krazy glue (with brush tip applicator) to tack the pieces in place and then applied another more gel like glue from the backside, shooting it through the mesh. Worked pretty good for me. I also found nice foam squares from Home Depot that had a great crosshatch pattern on one side that I used to mimic the carbon fiber look.
Semi Screen accurate Foam TDK suit
Semi Screen accurate Foam TDK suit