Men's Wearhouse is a clean store with curteous clerks. To bad they aren't diligent in their jobs. Twice we've rented from them for events and each time there were numerous mistakes. For the most recent event we had I ended up with scuffed shoes, no socks, and no suspenders. My friends had numerous problems with their rentals as well.
My best advice if you decide to use them is "renter beware" and make sure everyone for your event checks their rentals to make sure that they have everything and it all matches. In their defense, Men's Wearhouse is very polite and apologetic about their mistakes but after two events where they got things wrong, giving them another chance is a tough sell.