The Spark Pro has been optimized for comfort, versatility and light weight. Our highest-lofting down - 950+ fillpower RDS-certified goose down with a non-PFAS Ultra-Dry Down treatment - is wrapped in extremely breathable 10D fabrics. The Free-Flow Zip system ensures maximum ventilation and the flexibility to open the bag flat as a quilt. Zip a Spark Pro to a Women's Spark and share the comfort with your companion.
Features
- RDS-certified, 950+ fillpower goose down with a non-PFAS Ultra-Dry Down treatment for maximum thermal performance
- Featherweight 10D nylon shell with non-PFAS DWR, and a highly breathable 10D nylon liner for enhanced comfort
- Technical hood, anatomical footbox and an ergonomic mummy shape - ultralight doesn't have to mean ultratight
- Free-Flow Zip System: YKK #5 side zipper with zipper plow for reliable, snag-free operation. YKK #3 footbox and shoulder zipper for minimal additional weight
- Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout
- Front draft collar is fitted around the neck and oversized at the shoulders to retain warmth
- Sea to Summit Guarantee is offered for the Lifetime of this product
Performance
- Lightweight
- Compact
- Cold
Tech specs
-
Best UseUltralight Backpacking
-
Comes With40D recycled, bluesign APPROVED nylon compression bag
-
InsulationRDS certified, 950+ non-PFAS Ultra-Dry Down
-
ShapeMummy
-
Zip OptionsFree-Flow zipper system
-1°C
Regular-1°C
Long-9°C
Regular-9°C
LongBag Weight 619g 672g 784g 861g Compressed Volume 5.3 L 5.5 L 7.0 L 7.9 L Compression Sack 8 L 8 L 13 L 13 L Fill Weight 310 g 356 g 480 g 550 g Fits Up To Height 185 cm 198 cm 185 cm 198 cm Temperature Rating (ISO Lower Limit) -1°C -1°C -9°C -9°C Women's Temp Rating (ISO Comfort) 3°C 3°C -3°C -3°C
- Ultralight kit for serious walkers
- 950+ down keeps weight down
- Long size gives tall sleepers room
- Compact 5.5 litre packed volume
- Free-Flow zips for quilt-style use
- Compression bag included for touring
- Brand: SEA TO SUMMIT
- Model: Spark Pro Down Sleeping Bag -1°C | 30°F - Long (RDS)
- Best use: Ultralight backpacking
- Size: Long
- Shape: Mummy
- Insulation: RDS certified 950+ fillpower non-PFAS Ultra-Dry goose down
- Shell fabric: 10D nylon with non-PFAS DWR
- Liner fabric: Highly breathable 10D nylon
- Temperature rating (ISO lower limit): -1°C
- Women’s temperature rating (ISO comfort): 3°C
- Bag weight (Spark Pro -1°C Long): 672 g
- Fill weight (Spark Pro -1°C Long): 356 g
- Compressed volume (Spark Pro -1°C Long): 5.5 L
- Supplied compression sack volume: 8 L
- Zip configuration: Free-Flow Zip System with YKK #5 side zipper plus YKK #3 footbox and shoulder zippers
- Baffle construction: Vertical chest baffles, horizontal lower and base baffles, box wall throughout
- Features: Technical hood, anatomical footbox, ergonomic mummy fit, front draft collar around neck and shoulders
- Packability rating: Compact
- Weight rating: Lightweight
- Climate suitability: Cold conditions
- Warranty: Sea to Summit guarantee for the lifetime of the product
- SEA TO SUMMIT Spark Pro Down Sleeping Bag -1°C | 30°F - Long (RDS)
- 40D recycled bluesign APPROVED nylon compression bag
| SKU | ASL041071-210104 |
|---|---|
| Barcode # | 9327868158164 |
| Brand | SEA TO SUMMIT |
| Shipping Weight | 0.6720kg |
| Shipping Width | 0.135m |
| Shipping Height | 0.195m |
| Shipping Length | 0.340m |
The Spark Pro has been optimized for comfort, versatility and light weight. Our highest-lofting down - 950+ fillpower RDS-certified goose down with a non-PFAS Ultra-Dry Down treatment - is wrapped in extremely breathable 10D fabrics. The Free-Flow Zip system ensures maximum ventilation and the flexibility to open the bag flat as a quilt. Zip a Spark Pro to a Women's Spark and share the comfort with your companion.
Features
- RDS-certified, 950+ fillpower goose down with a non-PFAS Ultra-Dry Down treatment for maximum thermal performance
- Featherweight 10D nylon shell with non-PFAS DWR, and a highly breathable 10D nylon liner for enhanced comfort
- Technical hood, anatomical footbox and an ergonomic mummy shape - ultralight doesn't have to mean ultratight
- Free-Flow Zip System: YKK #5 side zipper with zipper plow for reliable, snag-free operation. YKK #3 footbox and shoulder zipper for minimal additional weight
- Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout
- Front draft collar is fitted around the neck and oversized at the shoulders to retain warmth
- Sea to Summit Guarantee is offered for the Lifetime of this product
Performance
- Lightweight
- Compact
- Cold
Tech specs
-
Best UseUltralight Backpacking
-
Comes With40D recycled, bluesign APPROVED nylon compression bag
-
InsulationRDS certified, 950+ non-PFAS Ultra-Dry Down
-
ShapeMummy
-
Zip OptionsFree-Flow zipper system
-1°C
Regular-1°C
Long-9°C
Regular-9°C
LongBag Weight 619g 672g 784g 861g Compressed Volume 5.3 L 5.5 L 7.0 L 7.9 L Compression Sack 8 L 8 L 13 L 13 L Fill Weight 310 g 356 g 480 g 550 g Fits Up To Height 185 cm 198 cm 185 cm 198 cm Temperature Rating (ISO Lower Limit) -1°C -1°C -9°C -9°C Women's Temp Rating (ISO Comfort) 3°C 3°C -3°C -3°C
- Ultralight kit for serious walkers
- 950+ down keeps weight down
- Long size gives tall sleepers room
- Compact 5.5 litre packed volume
- Free-Flow zips for quilt-style use
- Compression bag included for touring
- Brand: SEA TO SUMMIT
- Model: Spark Pro Down Sleeping Bag -1°C | 30°F - Long (RDS)
- Best use: Ultralight backpacking
- Size: Long
- Shape: Mummy
- Insulation: RDS certified 950+ fillpower non-PFAS Ultra-Dry goose down
- Shell fabric: 10D nylon with non-PFAS DWR
- Liner fabric: Highly breathable 10D nylon
- Temperature rating (ISO lower limit): -1°C
- Women’s temperature rating (ISO comfort): 3°C
- Bag weight (Spark Pro -1°C Long): 672 g
- Fill weight (Spark Pro -1°C Long): 356 g
- Compressed volume (Spark Pro -1°C Long): 5.5 L
- Supplied compression sack volume: 8 L
- Zip configuration: Free-Flow Zip System with YKK #5 side zipper plus YKK #3 footbox and shoulder zippers
- Baffle construction: Vertical chest baffles, horizontal lower and base baffles, box wall throughout
- Features: Technical hood, anatomical footbox, ergonomic mummy fit, front draft collar around neck and shoulders
- Packability rating: Compact
- Weight rating: Lightweight
- Climate suitability: Cold conditions
- Warranty: Sea to Summit guarantee for the lifetime of the product
- SEA TO SUMMIT Spark Pro Down Sleeping Bag -1°C | 30°F - Long (RDS)
- 40D recycled bluesign APPROVED nylon compression bag
| SKU | ASL041071-210104 |
|---|---|
| Barcode # | 9327868158164 |
| Brand | SEA TO SUMMIT |
| Shipping Weight | 0.6720kg |
| Shipping Width | 0.135m |
| Shipping Height | 0.195m |
| Shipping Length | 0.340m |

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