Sleeping bags
4.5/5Sea to Summit Spark SpIII — Reviewed
A 640-gram down bag rated to −9 °C comfort. Warm enough for teahouse nights at 5,164 metres, and small enough to leave room in the pack for everything else.
Around $460
Gear
Tested, not guessed
Every review here comes from equipment carried for weeks above 4,000 metres. Specifications and affiliate links are stored as data, so prices and retailers can be updated without touching the article.
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