Spark Pro 30 vs Vesper Quilt 32F
Spark Pro 30 is the lighter of the two by 60 g (2.1 oz).
Vesper Quilt 32F lists for $109.05 less at the manufacturer's price.
Per ounce carried, Vesper Quilt 32F costs less: $23.10/oz against $32.42/oz.
Weights and prices are the manufacturer’s published figures. The best value in each row is highlighted.
| Spark Pro 30 Sea to Summit | Vesper Quilt 32F Therm-a-Rest | |
|---|---|---|
| Weight | 16.9 oz | 19.0 oz |
| MSRP | $549.00 | $439.95 |
| Temperature rating | 30°F / -1°C (manufacturer rating, not independently ISO 23537 / EN 13537 tested) | 32°F / 0°C (manufacturer rating, not independently ISO 23537 / EN 13537 tested) |
| Price per ounce | $32.42/oz | $23.10/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 →Vesper Quilt 32F
The Therm-a-Rest Vesper is an ultralight down backpacking quilt with 900 fill power Nikwax Hydrophobic Down, box-baffle construction, an insulated footbox, and a SynergyLink connector to strap it to a sleeping pad. The 32-degree model is a two-to-three-season quilt for weight-focused sleepers.
Full specs and prices for the Vesper Quilt 32F →