Like the Air Core Ultra， the Insulated Air Core Ultra offers unparalleled comfort at an incredible price. This light and compact three-season insulated pad has been completely redesigned from the inside out and R-Value rated by a third party. Designed with a smooth and stable sleeping surface made with durable nylon rip-stop and larger outside tubes to cradle you on top. Warm and highly packable insulation on top and bottom make this air pad lighter on your pack than most in its class. Save your breath for the adventure ahead， and use the included upcycled pad inflation sack to inflate.