Sea to Summit Spark 28F Sleeping Bag Review

After having been sold out for a long time, we were finally able to receive the Sea to Summit Spark 28F sleeping bag for testing in the very beginning of summer in return for an unbiased review. With EN13537 temperature ratings of 4ºC (38 ºF) as the comfort temperature, -2 ºC (28ºF) as the lower…

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Sea to Summit Spark 28F - packed inside storage bag