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650+ Loft Ultra-Dry Down™
Technical Features

650+ Loft Ultra-Dry Down™

650 Loft Ultra-Dry Down™ is used in the Sea to Summit Trek and Journey sleeping bags. 650+ Fill Power indicates that one ounce (30g) of down will re-expand to over 650 cubic inches after compression. This down provides an ideal warmth-to-weight ratio for the traveler, recreational camper, and occasional backpacker. The loft and down quality/composition are independently tested by the International Down and Feather Laboratory (IDFL) – a copy of the certification is supplied with every Sea to Summit sleeping bag.

The down is responsibly sourced and RDS certified and treated with the environmentally-friendly water-repellant Ultra-Dry Down™ treatment.

All of which means you can rest easy.

2 thoughts on “650+ Loft Ultra-Dry Down™

  1. avatar Loft Boarding Specialist says:

    Great work indeed! I’ve loved how they provide an alternative way.

  2. avatar Loft and Insulation says:

    Great information indeed! Thanks for sending this article.

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