Jay Griffinwrote a review of Big Agnes Insulated Air Core Sleeping Pad - Mummy on November 2, 2009
I don't have an Agnes bag and just put the pad on the ground under my mummy. I don't slide off it. If I don't inflate it all the way it's more comfy for me sleeping on my side. I bought one. Used it a couple times, then bought another one for a another family member. They both work well. It does take quite a few breaths to get it inflated, but it's not too bad.I just went camping a week ago and the temp got down to the upper 20's. This insulated me from the cold ground inside a tent.
I roll the pad up and put it into the provided bag. I then stuff that bag into my sleeping bag's stuff sack and cinch it up. It packs small enough to fit in with the sleeping bag just fine.