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Sea To Summit Spark 4 SPIV Down Sleeping Bag

Sale price$749.00 Regular price$974.00
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Sea To Summit Spark 4 SPIV  Down Sleeping Bag

Designed for optimised warmth and minimal weight, Sea To Summit's Spark 4 sleeping bags provide excellent insulation for any environment, thanks to their RDS 850+ Loft goose down, #3 YKK zips, 10D Nylon shells, and 7D lining fabrics. Technology such as ULTRA-DRY Down™ treatment provides added protection from moisture while keeping its certified Responsible Down Standard (RDS) down intact. Perfect for extreme alpine conditions, Sea To Summit's park 4 Down Sleeping Bags are an ideal choice for reliable warmth.

Sea To Summit Spark 4 SPIV  Down Sleeping Bag Features

  • Ultralight 7D and 10D fabrics for minimal weight and packed size
  • RDS 850+ Loft Premium Goose ULTRA-DRY Down™ for maximum insulation value
  • Broad mummy shape for comfort and efficient insulation
  • Vertical chest baffles prevent down migration and cold spots
  • Vertical box baffles in the torso area accommodates extra down and boosts warmth around the core, vertical baffles on chest optimises positions of down to prevent it moving during use
  • Lower part of the bag uses a sewn through horizontal baffle construction to minimise weight
  • Full length zip with two sliders aids access and allows ventilation from each end of the bag
  • Draft tube prevents heat loss through the zipper
  • Includes hood draft collar
  • Includes lightweight Ultra-Sil™ Nano compression bag for compact storage

Sea To Summit Spark 3 4 SPIV Down Sleeping Bag Specifications

SPARK IV (-15°C) REGULAR SPARK IV (-15°C) LONG
BAG SERIES Spark 4 Spark 4
BAG WEIGHT 880g 985g
COMPRESSED VOL (ASTM STANDARD) 6.6 L 7.7 L
COMPRESSION SACK S - 10L to 3.3L S - 10L to 3.3L
FILL WEIGHT 620g 700g
FITS UP TO HEIGHT 183 cm 198 cm
SEASON RATING 3.5 Season 3.5 Season
TEMPERATURE RATING ( EN LOWER LIMIT) -15ºC -15ºC

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