Sea to Summit Spark Pro 900+ Down Sleeping Bag

The Spark Pro has been optimized for comfort, versatility and light weight. Our highest-lofting down - 900 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, 900 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

Specifications:

- Best Use: Ultralight Backpacking
- Comes With 40D recycled, bluesign APPROVED nylon compression bag
- Insulation RDS certified, 900 non-PFAS Ultra-Dry Down
- Shape: Mummy
- Zip Options: Free-Flow zipper system

-1 C Regular:

- Weight: 619g
- Fill Weight: 310g
- Compressed Volume: 5.3 L
- Compression Sack: 8 L
- Temperature Rating (ISO Lower Limit): -1 C
- Fits up to Height: 185cm