Sea To Summit Spark Ultralight Sleeping Bag 5°F | -15°C

$599.99

The Spark Ultralight Mummy Sleeping Bag Series spans everything from an ultralight down-filled liner, to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance.

Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate wiggle room for the performance-oriented, backcountry user.

Features:

  • ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Goose Down certified Responsible Down Standard (RDS)
  • 10D shell and 7D liner materials help to achieve the incredible lightweight and compact packed size
  • Includes lightweight Ultra-Sil compression bag and storage cell
    • Zipper-length trimmed for gram-saving performance:
      • 5°F have full-length side zippers that can be coupled to a Flame sleeping bag with a full-length zipper
    • Baffle construction:
      • 5°F are fully baffled
    • Shape:
      • 5°F - Broader mummy

Tech Specs:

5°F REGULAR 5°F LONG LINER REGULAR LINER LONG
BAG SERIES Spark 4 Spark 4 Spark 0 Spark 0
BAG WEIGHT 1lb 15oz 2lbs 2.7oz 7.9oz 9.2oz
COMPRESSED VOL (ASTM STANDARD) 6.6 L 7.7 L .9 L 1.3 L
COMPRESSION SACK S - 10L to 3.3L S - 10L to 3.3L Stuff Sack Stuff Sack
FILL WEIGHT 21.9 oz 24.7oz 3.5oz 4.1oz
FITS UP TO HEIGHT 6 ft 6 ft 6 in 6 ft 6 ft 6 in
SEASON RATING 3.5 Season 3.5 Season Summer or Sleeping Bag Liner Summer or Sleeping Bag Liner
TEMPERATURE RATING (EN LOWER LIMIT) 5ºF 5ºF 50ºF 50ºF
WOMEN'S TEMP RATING (EN COMFORT) 18ºF 18ºF 54ºF 54ºF