Redesigned for 2017 exceptionally compact light and rugged four season mattress with ultra fast inflationdeflation therm a rest s cult favorite four season go anywhere air mattress just got better now sporting the game changing speedvalve the rugged neoair all season sv inflates up to three times faster and deflates instantly multiple layers of thermacapture technology make it one of their warmest and most versatile neoair mattresses they have also added this regular wide size to maximize sleep