Weight
Ultralight· mainstream zone 819–1420 g· ranked 21 of 418
Comfort Temperature
7 °C
Limit Temperature
-2 °C
Extreme Temperature
-12 °C
Temperature Rating Standard
EN/ISO 23537 tested
Season Rating
3-season
Sea to Summit Spark SP-II
Sea to Summit Spark SP-II
by Sea to Summit
464 g Total Weight
7 °C Comfort Temperature
850 Fill Power
Sea to Summit Brand
Description
The Sea to Summit Spark SP-II is one of the lightest bags on the market, designed for ultralight backpacking. It features premium goose down with high fill power and a minimalist design. Perfect for summer and early fall treks.
Variants 2
Specifications
Draft Collar
✓
Draft Tube
✓
Stuff Sack Included
✓
Storage Sack Included
✓
Size Category
Regular
Maximum User Height
185 cm (6.1 ft)
Gender-Specific Fit
Unisex
RDS Certified Down
✓
PFC/PFAS Free
✓
Warmth-to-Weight Ratio f(x)
4.3 °C/kg
Fill Efficiency f(x)
0.71 °C/100g
Weight per Degree f(x)
232 g/°C
Bag Type
Mummy sleeping bag
Where to buy
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Category context Sleeping Bags (417 products)
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