Sea to Summit Spark Pro Down Sleeping Bag 15°F/-9°C - Long

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.

Features
• Best use: Ultralight Backpacking
• Comes with: 40D recycled, bluesign® APPROVED nylon compression bag
• 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
• Zip Options: Free-Flow zipper system
• All the bells and whistles...: Without the weight. The Spark Pro’s construction keeps it ultralight while still having climate control benefits like side, shoulder and footbox zippers
• Ultralight, not ultra tight: The Spark Pro gives you a superior sleep thanks to a more generous mummy shape and the super-breathable liner fabric

Materials
• Insulation: RDS certified, 950+ non-PFAS Ultra-Dry Down

Specifications
• Compressed Volume: 7.9L
• Compression Sack: 13L
• Shape: Mummy
• Performance: 3 Season
• Temperature Rating(ISO Lower Limit): 15°F/-9°C
• Women's Temp Rating(ISO Comfort): 27°F/-3°C
• Fits up to Height: 6ft 6in/198cm
• Weight: 861g/1lbs 14.4oz
• Fill Weight: 550g/19.4oz