Ultralight Down Sleeping Bag, 400/440 Fill Power Quilt Sleeping Bag for Adults, Multifunctional Backpacking Sleeping Bag for Hiking, Camping, Outdoors. Nylon [Multi-functional Sleeping Bag] It is worth mentioning that this down sleeping bag can be flexibly changed functions. Firstly, it can be fully unfolded and used as a blanket in hot weather.
Second, bottomless mode with high R value mummy-style air mattress use, is the first choice for lightweight hiking. Third, as a regular use hoodless mummy sleeping bag that opens sideways.
Finally, it can be used over the outside of the hooded mummy sleeping bag for added warmth in extreme cold weather [Ultralight Fabric] down sleeping bag is made of 10D ultra-light nylon fabric, the weight is only 25g/m², which is about 40% lighter than the regular 20D nylon fabric. Ultralight and tear-resistant, safe to use without burden. The outer breathable waterproof fabric is moisture-proof and insulates against humidity, making it easy to cope with the complex and changeable weather outdoors [High Fluffy Duck Down] Made of 750FP high fluffy white duck down, the fluffiness is comparable to goose down.Selected high-quality large down, more static air storage, better warmth. 100cm³ per ounce more fluffy than ordinary 650FP duck down. It makes you feel as light as a cloud.
400 grams of fill for a Medium weighs 660 grams and 440 grams of fill for a Large weighs 770 grams [Compact size]: SQ400M:? 17cm(6.6in) × 31cm(12.2in), SQ440L:? 18cm(7.1in) × 32cm(12.5in), weight: 0.68kg/1.5lbs, 0.74kg/1.6lbs, only the size of a Coke bottle. The weight is 0.68kg/1.5lbs and 0.74kg/1.6lbs respectively, and it is the size of a Coke bottle, so it does not take up much space in your backpack. It comes with an extra cube-shaped storage bag, which is more stable than the cylinder and less likely to roll over.
It can better protect the down fluffiness [Temperature Scale] down sleeping bag is suitable for all seasons, excellent insulation performance makes it more suitable for winter or colder environment, everyone has different sensitivity to temperature, with's sleeping pads will have a better warmth effect. Sleeping bag dimensions are: SQ400M: 17572cm/ 68.928.3in, SQ440L: 19078cm/ 74.830.7in. PLEASE MESSAGE US IF YOU HAVE ANY OTHER QUESTIONS, AND MANY THANKS FOR READING ALL OF THIS.