Satin, peak lapel. I think it was near the corner of the second floor where they have the "European designer" suits. So, if you go up the main stairs, turn right.
Don't hate me if I'm wrong about the size, that's the only one I'm not 100% sure on.
If that lasts until mid-June when I'm next in NYC I may have to check it out. You wouldn't happen to have noticed the price and trouser style (flat/pleat, low/high rise), would ya?