The liner I received did not have some sort of side velcro, button, zipper, whatever, to get in the liner. I had to wriggle myself in from the opening at the head and do a little weird jiggle… but other than that, if you’re one who gets hot from the polyester lining in a sleeping bag, this is a fantastic solution.
This review was written in the old system and had content requirements that are different than reviews written today.