New model for this year (Do not check this option if this model was listed as new in last year's Gear Guide)-X-Static all natural, synthetic insulation with thermodynamic, antimicrobial and anti-odor properties
-Superlight nylon ripstop top & bottom
-Internal heat reflective polyurethane coating
-Non-breakable EZ-Flate plastic coated brass valve
-Available sizes in rectangular: 20x66", 20x72", 20x78", 25x78"
-Available sizes in mummy: 20x72", 20x78"