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Trailkit Outdoor

Best ultralight mummy

Sea to Summit Spark

Sea to Summit · High · Very low

A small-packing down mummy for people who have already cut the rest of the kit.

As an Amazon Associate, Trailkit Outdoor earns from qualifying purchases. Full disclosure

Spark bags are for hikers whose tent and cook kit are already light. If you sleep cold, buy a lower rating instead of a lighter shell. The cut is narrow. Try it. A quilt may be the kinder ultralight answer if you move a lot.

Who should buy it. Warm sleepers counting ounces on dry trips.

Best for. Fast-and-light hikers who sleep warm

Standout limitation. A very slim cut

A small-packing ultralight down mummy lofted on a pad inside a tent

Specs

Style
Ultralight mummy
Fill
Down
Fit
Slim

Pros

  • Tiny packed size
  • Light
  • A real hood

Cons

  • Narrow
  • High price for the warmth

Not sold on Amazon US. Check the maker's own site.

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