Head to head
Classic Sleeping Bag vs Summit Down Sleeping Bag
A side-by-side comparison of weight, price, rating, and specs — the lightest, cheapest, and best-rated in each row is highlighted.
The short answer
The Zpacks Classic Sleeping Bag is the lighter of the two at 12.2 oz, 1.9 oz less than the Outdoor Vitals Summit Down Sleeping Bag (14.1 oz). The Outdoor Vitals Summit Down Sleeping Bag costs $121 less (from $298). Fill power: 950 FP for the Zpacks Classic Sleeping Bag, 800 FP for the Outdoor Vitals Summit Down Sleeping Bag.
| 2 items | Zpacks Classic Sleeping BagView & buy → | Outdoor Vitals Summit Down Sleeping BagView & buy → |
|---|---|---|
| Price (from) | $419 | $298 |
| Weight (lightest) | 12.2 oz | 14.1 oz |
| Rating | — | — |
| Category | Sleep | Sleep |
| Subcategory | Sleeping Bags | Sleeping Bags |
| Options / sizes | 84 | 1 |
| Specs | ||
| Temp rating | 30°F | 30°F |
| Fill | Down | HyperDry Down (duck) 90/10, RDS certified |
| Fill power | 950 FP | 800 FP |
| Fill weight | 7.8 oz | 400 g |
| Shell fabric | .51 oz/sqyd Ventum Ripstop Nylon | 10D ripstop nylon, DWR treated |
| Fits up to | 5 ft 6 in | — |
| Shoulder girth | 55 in | — |
| Packed size | 5 x 12 in | 7.5 x 7.5 x 7 in (15º model) |
| Zipper | 3/4 length, on bottom of bag | Center YKK, anti-snag |
| Shape | — | Mummy |
| Options | ||
| Temperature | 30F (-1C), 20F (-7C), 10F (-12C) | 30º F |
| Size | Slim-Short (Fits up to 50" / 5' 6"), Slim-Medium (Fits up to 50" / 6' 0"), Standard-Short (Fits up to 55" / 5' 6"), Standard-Medium (Fits up to 55" / 6' 0"), Standard-Long (Fits up to 55" / 6' 6"), Broad-Medium (Fits up to 60" / 6' 0"), Broad-Long (Fits up to 60" / 6' 6") | Regular (6') |
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