Perfect for side sleepers, back sleepers or belly sleepers. The multi-functional rectangular shaped sleeping bag for a night over at friends on at a campsite is a real space wonder. Best European 650 fill RDS certified down make the Versa a reliable and versatile companion. The long (YKK #5) zipper can be unzipped completely for venting or use as a blanket and is backed by a 3 section draft tube. The comfort hood is spacious an will accomomdate a pillow.