Mammoth Double 20˚F

The Mammoth 20°F Sleeping Bag combines roomy comfort with dependable warmth for your next outdoor adventure. Measuring 94 x 62 inches, it’s generously sized for two campers or anyone who enjoys extra space to stretch out. This bag features a durable double-layer construction, high-performance insulation, and draft tubes to trap heat and ensure cozy nights down to 20°F/-7°C. The Mammoth sleeping bag also features an integrated hood and full-length zippers with draft tubes so you can sleep your way. From weekends under the stars to summer camping, the Mammoth 20°F is perfect for your next adventure.

*The ratings we use are Survival Temperature Ratings, this is the coldest temperature the sleeping bag is designed to keep you alive in, but it doesn’t guarantee comfort. At the lowest point, you might be shivering or experience discomfort. For comfort ratings, we suggest adding 20-30 degrees from the listed rating.

Spec Line

20°F | Rectangular | Girth 119" shoulder / 119" hip / 119" foot | 14 lbs. | SuperLoft Elite fill | Polyester Taffeta shell

Who This Bag Fits

Made for sleepers who are broad through the shoulders or hips, or taller than average. This bag measures 119" around at the shoulders, hips, and feet.

Temperature Rating

20°F

Comfort Temperature Rating

45°F to 50°F

Shape

Rectangular

In-use Dimensions

94" x 62"

Item Weight

14 lbs.

Pack Size

26.5" x 14.5" x 13.75"

Pack Weight

16.51 lbs

Storage Method

Compression Sack

External Shoulder Width

62"

Internal Shoulder Width

59"

External Shoulder Girth

119"

External Waist Width

62"

Internal Waist Width

59"

External Waist Girth

119"

External Foot Width

62"

Internal Foot Width

59"

External Foot Girth

119"

External Length

94"

Shell Material

Polyester Taffeta

Fill Material

SuperLoft Elite

Liner Material

Polyester Flannel

Zipper Orientation

Dual

Zipper Shape

U