The down mummy sleeping bag is a warm and cozy way to sleep in nature. It is the perfect solution for anyone looking for a lightweight and versatile sleeping bag designed for those who want to experience the comforts and protection of a mummy bag without the bulk or weight.

• The MT Mummy sleeping bag is filled with 400-filling power+ 52oz duck down, water-resistant down for comfort at any humidity level. Ensuring warmth and comfort all night. The extreme Limit is -13 Degrees F, the Lower Limit is 5 Degrees F, and Comfort Limit is 23 Degrees F.

• Down sleeping bag full-sized 82.7"L x 31.5"W x 19.7"H mummy bag, folds up to a compact 10" x 20", weighs only 4.9lb. Each sleeping bag comes with a compression sack with straps.

• Use the tough 240T rip-stop nylon on shell fabric is treated with a durable water-repellent finish to shrug off moisture. The liner with 320T polyester pongee ensures warmth while being breathable and wicking away perspiration. Our sleeping bags are suitable four-season and keep you warm and protect you from dampness even in extreme weather.

• Two sliding, locking YKK zippers allow you to unzip from the bottom to stick a foot out, make your feet move with the wind, and self-regulate heat while enjoying mummy-bag comfort. So you don't feel a sense of closure.

• There are drawcords in the collar and sleeping bag's top that can be adjusted freely to ensure you are warm and toasty in the cool weather. Other features include a small pocket to keep electronics handy and a naturally-shaped foot box.