Mummy Sleeping Bag is the lighter of the two by 127 g (4.5 oz).
20-Degree Mummy Bag
Mummy Sleeping Bag
As an Amazon Associate I earn from qualifying purchases.
Weights and prices are the manufacturer’s published figures. The lower weight and the higher R-value are highlighted.
| 20-Degree Mummy Bag Hyperlite Mountain Gear | Mummy Sleeping Bag Zpacks | |
|---|---|---|
| Weight | 26.5 oz | 22.0 oz |
| MSRP | $650.00 | $579.00–$669.00 |
| Temperature rating | 20°F (manufacturer rating, stated in the model name) (manufacturer claim) | — |
Source not recorded.
“Wrap up your day with the 20-Degree Mummy Bag, sewn up to perfection for exceptional warmth, compressibility, and comfort without unnecessary bulk. Premium 1000 fill power grey goose down treated with a DWR finish provides maximum loft and reliable insulation, while 3-dimensional baffles allow the bag to fully loft to 2.75 inches for efficient heat retention.”Full specs and prices for the 20-Degree Mummy Bag →
Source not recorded.
“Featuring a hood and a full length 2-way side zipper with an integrated draft tube and zipper guard to keep it breeze-free, the Mummy Bag will keep you warm, cozy, and comfy in the backcountry.”Full specs and prices for the Mummy Sleeping Bag →