Description A super light and compact sleeping bag, popular with Adventure racers, travelers and climbers wanting a summer bag. Comfort rated to 9°C, and extreme rated to -5°C, this sleeping bag will keep you warm on cool summer evenings and moderate winter nights. Features Elastic(Amplify) stitching to minimize heat loss around hips and knees on outside shell of bag but gives you room when you need it Scalloped neck for better fit Differential Down fill (65% on top, 35% underneath) Half-length zip with draft baffle Unique thermo-dynamic design Specifications Weight: 0.595 kg Comfort Temperature Rating: 9°C Lower Limit Temperature Rating: 5°C Extreme Temperature Rating: -5°C Dimensions: 210 X 78/50 Packed Size: 12 X 24 Cm Down Ratio: Goose 92/8 Fill Power: 650 First Ascent Amplify Down Light Sleeping Bag