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Reviews and Problems with Marmot Helium 15°

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Expert Review

13 July 2011
  • Conclusion: High-end construction, materials, and features make the Helium more expensive than you may like, but if weight and warmth are a concern, this bag is worth every penny. The 15° Helium conforms to the newer, stricter EN temperature ratings, so you can trust it to keep you warm when things get chilly.
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