Sea to Summit Spark Down Sleeping Bag - SPI Long
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A truly ultralight, warm-weather sleeping bag, the Spark™ 1 weighs just 12oz in a regular (13.6 oz in a long) and packs incredibly small, making it a top choice for backpackers, climbers, bike packers, and other adventurers who want to carry as little weight as possible. It’s best used in mild temperatures ranging from 40°F to 60°F, and is insulated with premium 850-fill water-repelling Ultra-Dry Down™.
Truly Ultralight – The lightest sleeping bag in Sea to Summit’s Spark™ Series, the Spark 1 has a thermally-efficient, space-saving design and sewn-through construction, with a streamlined mummy fit and a 1/3 length zipper.
Extremely Compressible – It packs down to the size of a liter of water and comes with a lightweight Ultra-Sil™ Nano compression bag and storage cell.
850+ Fill Power – The high-loft down insulation is made for summer camping in temperatures above 40°F and fends off external moisture and internal condensation with its water-repelling Ultra-Dry Down finish.
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12 ounce overall weight for fast and light adventures where every ounce counts. Compresses to 1.5L volume. Super premium.