Like the Air Core Ultra, the Insulated Air Core Ultra has been redesigned to offer unparalleled comfort at an incredible price. It features a smooth sleeping surface, larger outside tubes, a high-volume valve for faster inflation and quick deflation, a durable ripstop nylon top and bottom, and an insulated top and bottom, and it???s still lighter and more packable than the original IAC pads.. . Durable lightweight nylon ripstop fabric. New double ripstop improves tear strength and durability by 25%. Aviation-grade TPU lamination technology for ultimate durability. High-volume valve allows for efficient and easy inflation and super-fast deflation. One-way inflation valve with micro air pressure adjust button. Quick deflation valve. Measures 25 in. x 72 in.. Weighs 25 oz.. Imported. 841487110369 29029200006 PIACUWR17