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.
- 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 plough 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
