Four Season Warmth: A winning combination of patent-pending Triangular Core Matrix technology and multiple reflective barriers slow both convective and radiant heat loss, offering exceptional four-season warmth withough significant weight gain. * Compact & Light: Manually-inflated design and no fiber or down insulation allow significant weight and space savings over any mattress with comparable warmth. * Durable: Rugged fabrics provide added protetion from abrasion and abuse; no fiber or down insulation to wet by mouth inflation means lasting and predicatable performance. * Neoair Comfort: Internal truss system stabilizes mattresses for unmatched stability and comfort.