GeerTop Super Warm 41- 59 Degree Farheneit Down Envelope Sleeping Bag with Vacuum Bag Fill: 90% White Duck (1500g). Shell: 420T Superfine Embossing Waterproof Nylon. Lining: 320T Superfine Polyester Pongee. Limit temperature: -13 / -25 . Comfortable temperature: 5F to 23F / -15 to -5. Fits most heights up to 6 ft. 3 in. Dimension: (75+10) X 31/ (190+25)X 78 cm. Weight: 2.5KG. 1. Attachable 2. The sleeping bag can be fully opened to be used as a quilt. It adopts full-zipper design on the bottom, enabling your feet to breath freely. You can walk with your sleeping bag on. Inside, it uses wind shield. The detachable hood uses elastic rope in its cap, so that you can make free adjustments. It also possesses built-in pack bag.