My graduate school has a "semi-formal" dance coming up in the fall, with their vision of semi-formal being slacks, dark/fashion collared shirt, and tie. Kind of like clubbing+, I guess.

In any case, I'm trying to figure out what I ought to wear. I will have a red Robertson kilt, and I was thinking of getting this "Contemporary Jacket" in black from HoS, wearing the vest alone (yes, shirt and tie as well). On the other hand, if it's too hot I may opt for just a shirt and tie.

Does anyone know anything about this style jacket/vest from HoS? To my eye, it looks suitable for as formal an event as I'm likely to attend (I already have a tux).