Most surgeons have their own preference as to what to wear after surgery. I provide my patients with an abdominal binder (that they will wear for 4 weeks after surgery) and then after that period of time, I have garments that are more comfortable but give extra support (such as Spanx). I have some links on my website of garments. I am sure you can find them online or in stores.
I generally don't have my patients wear Spanx after mommy makeover, as I prefer a garment that provides even more compression. I generally have my patients wear an abdominal binder, which can be made progressively tighter as your swelling subsides, as well as either a surgical bra or a sports bra. Hope this helps. Best of luck.