Do sub abilities stack beyond 3?

[eboyblue3]

Recently I had a setup that included 4 defense ups (or was it strength ups? Gee I forget). I want to know if my outfit was effective or not.

Not much to say here, had to put in filler since the title explained everything.

 

[Egregore]

http://squidboards.com/threads/hard-data-gear-abilities-percentual-effects.2904/