Sea To Summit StS Spark Pro -1C Down Sleeping Bag Regular beluga black

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 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.
Article-No.: ASL041071-050103
Lining: 10-Denier Nylon shell and lining.10-Denier Nylon waterproof-breathable hood and footbox.
Insulation: RDS certified, 950+ PFC free Ultra-Dry Down
Weight: 619g
Body length: 185cm
Sex: unisex
Upper material type: Nylon
Type of insulation: Goose down
T-Comfort: -1C
Shape: Mummy
Lining: Nylon
Circumference around the shoulders: 155cm
Circumference around the hips: 135cm
Circumference around the feet: 102cm RDS-certified, 950+ fillpower goose down with a non-PFC Ultra-Dry Down treatment for maximum thermal performance.
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 (-1°C|30°F) or full box baffles for maximum warmth (-9°C|15°F).
Front draft collar is fitted around the neck and oversized at the shoulders to retain warmth.