Oprah recently went gaga over a T-shirt with tummy control called a Yummie Tummie. This t-shirt makes you look slim ... This presentation evaluates the this t-shirt with health perspective.... Information By www.phenocal.org This shirt feels like a regular T-shirt at the top and the bottom, but the middle is a firming microfiber fabric that flattens tummy . This T- shirt is gaining its popularity within celebrity circuit.