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Mountain Hardwear
Megalamina 20 Sleeping Bag: 20F Thermic Micro

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A warm bag built for two.

On those cold nights, there's nothing like spooning up with your partner in the two-person Mountain Hardwear Megalamina Sleeping Bag. With its patented welded seams to reduce heat loss and maintain maximum insulation, the Megalamina will help the two of you sleep comfortably three seasons out of the year.


  • 20-degree Fahrenheit rating ideal for three-season camping in most environments
  • Double-wide cut provides relaxed comfort for two adults
  • Lamina welded construction attaches the shell fabric directly to the insulation to eliminate cold spots
  • Thermic Micro synthetic insulation is durable, compressible, and lofty
  • 40D ripstop nylon shell with DWR coating for rugged durability and water resistance
  • Full-length two-way zipper for versatile ventilation options
  • Includes stuff sack - compressed size is 10 x 20 in
  • Item #MHW2397
[shell] 40D ripstop nylon, DWR coating, [lining] 40D polyester taffeta
Thermic Micro
doublewide mummy
Draft Collar
Max User Height
6 ft
Shoulder Circumference
136 in
Hip Circumference
132 in
Foot Circumference
80 in
Stuff Size
10 x 21 in
Stuff Sack
Storage Sack
Bag Length
84 in
20 F
Claimed Weight
6 lb 3 oz
Recommended Use
camping for two
Manufacturer Warranty