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Mammoth +20°F

Mammoth 20 sleeping bag
Mammoth 20 sleeping bag
Mammoth 20 sleeping bag
Mammoth 20 sleeping bag
Mammoth 20 sleeping bag

Product Description

Massive two-person, multi-season sleeping bag. Durable two-way zippers, thick taffeta shell, flannel lining, mummy-style hood. The Mammoth +20F includes stuff sack with compression straps. Lifetime guarantee. Double-wide quilted sleeping bag has cushioning around zipper and shoulder to keep drafts out and offset seams to distribute fill evenly and eliminate chilly spots. Drawstring hood and warm flannel lining retains body heat. Three no-snag, self-repairing zippers open either side and bottom for adjustable ventilation and connects to additional bags for even larger sleeping space.


  • Double layer construction entire width and length of bag increases warmth and durability
  • Suitable for multi-season use in rugged conditions
  • Rated for cold temperatures
  • Sturdy taffeta shell stands up to years of use
  • Sturdy no-snag two-way zippers with metal pulls
  • Full-length zipper baffle reduces drafts
  • Mammoth bags zip together
  • Mummy style hood keeps head or pillow off the ground
Item #: 110 Category: .
Retail Partners
Size 94" x 62"
Size (packed) 27" x 14" x 14"
Pack Weight 14 lbs
Temp Rating +20°F
Shell Taffeta
Liner 100% Brushed Poly Flannel
Fill SuperLoft Elite™ 4-Channel Hollow Fiber
Zipper Three Side Zip
Storage Oxford Stuff Sack with Drawstring Closure
Color Grey

Getting to Know Your Altos Sleeping Bag