A close look at two sleeping bags buyers cross-shop. The Wraptor Synthetic 30 takes a modest overall edge, led by warmth, but the Tempo 35 (Endless Promise) has its own case.
| Marmot Wraptor Synthetic 30 | NEMO Tempo 35 (Endless Promise) | |
|---|---|---|
| GearScore | 78✓ | 71 |
| Comfort rating | 36 °F✓ | 44 °F |
| Weight | 2 lb 10.8 oz✓ | 2 lb 14.0 oz |
| Warmth-to-weight | 2.8 /100g✓ | 2.0 /100g |
| Packed size | 9.1 L | 8.5 L✓ |
| Fill power | n/s | n/s |
| Price | $199 | $170✓ |
| Fill | Synthetic | Synthetic |
| Style | Bag | Bag |
| Shape | Mummy | Semi-rectangular |
Highlighted cells mark the better spec: Wraptor Synthetic 30 in blue, Tempo 35 (Endless Promise) in amber. A blank spec is never counted as a win. A lower comfort rating in °F means a warmer bag, so the warmer bag takes that row. GearScore is the overall rating (0 to 100); re-weight it on the full bag comparison. Prices are current MSRP.
Put the Marmot Wraptor Synthetic 30 next to the NEMO Tempo 35 (Endless Promise) and the trade-offs are clear. The Wraptor Synthetic 30 wins on warmth and low weight, and the Tempo 35 (Endless Promise) pushes back on packability and price.
The Wraptor Synthetic 30 is warmer (rated 36°F vs 44°F), 3 oz lighter, and stronger on warmth-to-weight. The Tempo 35 (Endless Promise) is more packable (8.5 L vs 9.1 L) and $29 cheaper. On the default GearScore the Wraptor Synthetic 30 leads 78 to 71.
Pick the Wraptor Synthetic 30 if you care most about warmth and low weight, which makes it the better call for colder nights and shoulder-season trips. Pick the Tempo 35 (Endless Promise) if packability and price matter more to you, or you are focused on saving space in your pack.
The Marmot Wraptor Synthetic 30. It is warmer (rated 36°F vs 44°F) than the Tempo 35 (Endless Promise).
The Marmot Wraptor Synthetic 30. It is 3 oz lighter than the Tempo 35 (Endless Promise).
The Marmot Wraptor Synthetic 30, 78 to 71 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Wraptor Synthetic 30 for warmth, or the Tempo 35 (Endless Promise) for packability. The spec table above shows exactly where each wins.