Soul™ Endless Promise® Synthetic Mummy Sleeping Bag B5

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NEMO’s newest sleeping bag silhouette is now offered with aerospace-grade, recycled synthetic insulation for ultralight adventures in any climate. Inspired by the traditional tapered mummy bag, Soul has a sleek, streamlined shape that shaves excess material together with weight wherever possible but still sneaks in plenty of comfort offers. A mono-polymer design, Soul also meets our Endless Promise® standard together with can be fully recycled at the end of its life — just send it back to NEMO, together with we’ll handle the rest.

Soul’s single, asymmetrical front zip integrates with our innovative Headwall™ internal draft guard to supply 360-degree protection. A plush, insulated collar, Headwall wraps around the back of the neck as well as cozily overlaps itself in front to efficiently block cold air while creating a uniquely comfortable experience. Balancing the front zipper is a single Thermo Gill™ vent, enabling fine-tuned temperature control. With both internal as well as external zippers, the Thermo Gill incrementally releases body heat without direct exposure to the cold, extending the usable temperature range of the bag. For additional instant ventilation (or simply to let your feet poke out), the footbox also incorporates a zippered opening. Highlighting the clean design are strategically placed vertical as well as horizontal baffles to optimize warmth as well as comfort while preventing migration of the Zerofiber™ 800 synthetic insulation.

Highlighting the clean design are strategically placed vertical and horizontal baffles to optimize warmth and comfort while preventing migration of the aerospace-grade, 100% recycled synthetic insulation. Manufactured from a single type of material, this sleeping bag is 100% recyclable when it can no longer be repaired or resold — just send it back to NEMO, and we’ll handle the rest.

A unisex bag, Soul calls out both the Limit temperature rating together with the Comfort temperature rating in its name. Per industry standards, the Limit rating (the first number referenced in the series) is considered the benchmark for men, while the Comfort rating (the second number referenced in the series) is considered most applicable to women. For a complete explanation of how to interpret these numbers, read our blog here.