I picked up a WBBB from another member here. The few times I slept in it before I used a light top quilt. But now that it is colder, last night I used a Pad and a sleeping bag. It was a PITA. The Zipper on the bag is the standard right hand and the WBBB is on the left. It makes it real tourgh to get in. Something you guys might want to consider when ordering if you use a sleeping bag.