Sea To Summit Spark Pro -1C sleeping bag has been optimized for comfort, versatility and light weight. Our highest-lofting down – 950+ fill power 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.
Technical specifications
| Brand | Sea To Summit |
|---|---|
| Material | 950+ Fillpower Goose Down |
| Technology | PFC Free |
| Limit Man | +3° |
| Extreme Comfort | -1° |
| Weight | 619 g |
| Pack size | 5.3 L |
| Can be joined | Yes |
