Compare the documented 15F / Regular Wide and 15F / Regular versions. This is a source-based specification comparison, not a field test or a current price ranking.
The useful difference
Compare ISO comfort against ISO comfort only when both records provide it. A name such as 20°F and a lower-limit rating are different measurements. Fit and the pad beneath you can change the useful choice.
Exact versions compared
NEMO Disco Women's Endless Promise Down Sleeping Bag — 15F / Regular Wide and NEMO Riff Women's Endless Promise Down Sleeping Bag — 15F / Regular. Other sizes may change the result.
Specifications side by side
| Metric | NEMO Disco Women's Endless Promise Down Sleeping Bag — 15F / Regular Wide | NEMO Riff Women's Endless Promise Down Sleeping Bag — 15F / Regular |
|---|---|---|
| Name/label temperature | 15°F (-9.4°C) | 15°F (-9.4°C) |
| Comfort temperature | 17°F (-8.3°C) | 18°F (-7.8°C) |
| Limit temperature | 4°F (-15.6°C) | 5°F (-15.0°C) |
| Listed weight | Not verified | Not verified |
| Maximum listed user height | 66.1 in (168 cm) | 66.1 in (168 cm) |
| Shoulder girth | Not verified | 58.0 in (147 cm) |
| Fill power | 650 | 800 |
“Not verified” is an unknown value. It is never zero or proof that a feature is absent.
How to choose
Compare ISO comfort against ISO comfort only when both records provide it. A name such as 20°F and a lower-limit rating are different measurements. Fit and the pad beneath you can change the useful choice.
Open each record to inspect the source for the exact figure and its revision notes: NEMO Disco Women's Endless Promise Down Sleeping Bag — 15F / Regular Wide; NEMO Riff Women's Endless Promise Down Sleeping Bag — 15F / Regular. The comparison has 5 shared numerical fields. Consider your shelter floor, sleep position and expected conditions with the sleep system builder.
What this comparison cannot establish
Neither listing verifies live inventory, price, independent durability, noise, waterproof performance in a storm, or comfort for every sleeper. Where a manufacturer gives conflicting figures, the product record preserves the discrepancy and may omit a normalized number.
Sources and further reading
Source pages and product listings can change. Specifications were assembled from the supplied dataset as of October 30, 2026; current availability is not guaranteed.
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