Alpine Down Sleeping Bag is the lighter of the two by 88 g (3.1 oz).
Tempo Synthetic
Alpine Down Sleeping Bag
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Weights and prices are the manufacturer’s published figures. The lower weight and the higher R-value are highlighted.
| Tempo Synthetic NEMO | Alpine Down Sleeping Bag Sea to Summit | |
|---|---|---|
| Weight | 58.2 oz | 55.1 oz |
| MSRP | — | $934.00 |
| Temperature rating | 20°F / -7°C (manufacturer rating, not independently ISO 23537 / EN 13537 tested) | -20 °f | -29 °c (ISO 23537, tested by Sea to Summit) |
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“The NEMO Tempo is a value-oriented synthetic sleeping bag built on NEMO's signature Spoon shape for side sleepers, with recycled insulation and Thermo Gill vents for temperature control. The 20-degree men's model is a three-season car-camping and backpacking bag.”Full specs and prices for the Tempo Synthetic →
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“Gear up for your next high altitude or colder latitude adventure with the Alpine Down Sleeping Bag. The expedition mummy fit provides ample space for winter gear, while the modified Free-Flow Zip system provides ventilation and versatility. Complex construction throughout and 850+ fillpower, RDS-certified non-PFAS Ultra-Dry Goose Down delivers maximum warmth retention.”Full specs and prices for the Alpine Down Sleeping Bag →