Slumber loft HQ premium insulation. Quilt through construction, polyester ripstop outer and 100% yarn dyed cotton flannel liner. Includes two flannel pillows. Carry duffle for easy transport. Keep together for a double sleeping bag or zip apart to create one 30-degree and one 40-degree sleeping bag. Comfort Rating: +30F or +40F depending on if together or separate. Size: 34"" x 78"". Carry Size: 15"" x 34"". Fill: Slumberloft. Shell: Polyester Ripstop. Liner: 100% yarn dyed cotton flannel liner. Fits To: 6"2"".