Sea To Summit Spark Pro Down Sleeping Bag -1°C, 619g
Lightweight yet incredibly versatile, the Spark Pro brings enhanced comfort with the Free Flow Zip System. 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-PFC Ultra-Dry Down treatment - is wrapped in extremely breathable 10D fabrics. The Spark Pro Free-Flow Zip system ensures maximum ventilation and the flexibility to open the bag flat as a quilt and has a footbox zipper and a short right-side zipper for great ventilation, and means you can sit up with arms extended from the bag.
The Spark Pro is EN rated with a lower comfort limit -1°C for men or 3°C for women. Weighs just 619g and packs up small at 5.3L. Comes with a handy ultrasil compression sack and a larger storage cell. A great choice for adventures where low weight and high performance are priorities. Video
Features
- RDS-certified, 950 fillpower goose down with a non-PFC Ultra-Dry Down treatment for maximum thermal performance
- Featherweight 10D nylon shell with non-PFC 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
- Baffle construction specific for each use: Hybrid box baffles in torso/sewn through in leg area (in -1°C version) or full box baffles for maximum warmth (in -9°C version)
- 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 Specifications
- Best use: Ultralight Backpacking
- Comes with an 8L Ultra-Sil™ Compression Bag & a Storage Cell
- Insulation: RDS certified, 950 PFC free Ultra-Dry Down
- Shape: Mummy
- Zip: Free-Flow zipper system
- Weight: 619g
- Compressed volume: 5.3L
- Fill weight: 310g
- Temp rating: EN lower limit -1°C for men or 3°C for women
- Fits up to height 185cm FAQS
Can two Spark Pros be zipped together? The Spark Pro is only available with a left zip, but can be zipped to other STS Women's sleeping bags
Is the Spark Pro available as a women's model? We don't currently offer a women's-specific Spark Pro. The unisex model works for female end-users (who should use the Comfort rating for orientation)
What's the difference between the Spark and the Spark Pro? The Spark Pro has a footbox zipper and a short right-side zipper (great ventilation, open-flat as a quilt, sit up with arms extended from the bag)