The One Bag is a modular sleep system with three layers to customize for comfort in temperatures from 40º down to 5º. Featuring water-resistant insulation, this is a versatile choice that excels in a broad range of conditions. Take on the cold with superior warmth thanks to 800 fill goose down. Including Heatseeker Eco 70%-recycled polyester insulation, which has great warmth to weight ratio, easily packs into a stuff sack and stay warm even when wet. Slip into a carefully crafted bag with a fitted hood that accommodates pillows and arms-over-the-head sleepers. The down layer can also be used as a stand-alone quilt for campsite lounging, making a great, multiple-use resource. With our patented 3-in-1 sleep system, this bag is a modular sleep system consisting of three layers that ensure maximum comfort from 5F to 40F degrees. Please note: temperature limits can fluctuate depending on regional weather conditions. Weight: REG – 5°F = 3 lbs 13 oz (1730g). 20°F = 2 lbs 12 oz (1247 g). 40°F = 2 lbs 3 oz (992 g). LONG – 5°F = 4 lbs 1.8 oz (1864g). Stuffsack Size: 8″ x 15″ (20 cm x 38 cm). Please note that all colors might vary s. Lightly from the pictures due to lighting, especially red or pink and teal colors. The close up pictures generally are the most accurate color. I will wrap anything breakable in bubble wrap first.