I use src preggo shorts to (when its not to.stinking hot!) Love them to bits but I don't really use them for back pain... Have got a big fat velcro one from my sister for that but havnt had to try it yet, my sil (the one that had baby on Mon.) borrowed it for a bit but said it wasn't that great put too much pressure on her belly to be tight enough for her back I think. Have you looked into robozo (sp?) wrapping? Or osteo, chrio, physio? Physio is what my sil ended up doing said it was WONDERFUL! sorry I don't know anything about the brand you're looking ay. Hope you find some relief soon though.