Spark Pro 30 is the lighter of the two by 22 g (0.8 oz).
Spark Pro 30
Chilkoot 32° Quilt
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.
| Spark Pro 30 Sea to Summit | Chilkoot 32° Quilt Stone Glacier | |
|---|---|---|
| Weight | 21.8 oz | 22.6 oz |
| MSRP | — | $399.00 |
| Temperature rating | 30°F / -1°C (manufacturer rating, not independently ISO 23537 / EN 13537 tested) | — |
Source not recorded.
“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 →
Source not recorded.
“SPECS Weight: 1 lb. 6.6 oz. Foot Box: 16" 15 Denier Pertex® Quantum Shell 850+ Fill Power HyperDRY™ 90/10 Grey Goose Down 12 oz.”Full specs and prices for the Chilkoot 32° Quilt →