Sea to Summit Spark Pro -1C Down Sleeping Bag

Lightweight yet incredibly versatile, the Spark Pro brings enhanced comfort with the Free Flow Zip System. 

BEST USE: Ultralight Backpacking

PERFORMANCE: 2 Season

WEIGHT: 1lb 5.8oz | 619g

COMPRESSED VOLUME: 5.3L

LOWER TEMP RATING: 30°F | -1°C

Description

• 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 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.