Spark Pro 30 vs Mummy Sleeping Bag
Spark Pro 30 is the lighter of the two by 145 g (5.1 oz).
Where to buy
Spark Pro 30
Mummy Sleeping Bag
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Weights and prices are the manufacturer’s published figures. The best value in each row is highlighted.
| Spark Pro 30 Sea to Summit | Mummy Sleeping Bag Zpacks | |
|---|---|---|
| Weight | 16.9 oz | 22.0 oz |
| MSRP | $549.00 | $579.00–$669.00 |
| Temperature rating | 30°F / -1°C (manufacturer rating, not independently ISO 23537 / EN 13537 tested) | — |
| Price per ounce | $32.42/oz | — |
| Retailers | 1 | 1 |
Spark Pro 30
The Sea to Summit Spark Pro is the brand's flagship ultralight down bag, built with 900+ fill power goose down and a 10D nylon shell for maximum warmth at minimum weight and pack size. The 30-degree model is a two-season backpacking bag for weight-conscious trips.
Full specs and prices for the Spark Pro 30 →Mummy Sleeping Bag
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 →