hi hun ...no you need a seperate belt for your tum...they are fab i currently have both mine on lol
If you live near a TJhughes they ahve the belts on offer for £35 at the min xx
Not check inches yet hun ...i the first week of using the shorts (2.5 hours 4 times at 60 intensity)my legs on my jeans were slacker and bum is alot more toned waist wise.. i only bought it yesterday but i have hammered it doing a minimum of 2. 5 hours at 60 again you can really feel it contracting your abs xx i am addicted to them