Really? Is that what it means? I think he's looking for a more specific answer.
Firesday - Strong Fire magic
Iceday - Strong Ice magic
I haven't been able to test this out, since I don't have the pants, nor am I high enough to wear them, so this post is kind of useless. But anyone that does. Little clerification would be wonderful.
Sensui
Asura
74 SAM - 37 WAR - 37 THF - 30 NIN - 41 RNG - 31 WHM - 56 BLM