Two sleeping pads worth lining up side by side. On the data the Eclipse All-Season is the stronger all-round pick, and the question is whether the Ionosphere 5.5 still fits your budget or priorities.
| NEMO Eclipse All-Season | Rab Ionosphere 5.5 | |
|---|---|---|
| GearScore | 85✓ | 74 |
| Warmth (R-value) | 6.2 R✓ | 5.5 R |
| Weight | 16.0 oz✓ | 24.3 oz |
| Warmth-to-weight | 1.37 R/100g✓ | 0.80 R/100g |
| Packed size | 2.46 L✓ | 2.71 L |
| Thickness | 4.0 in✓ | 3.1 in |
| Durability | 43 /100✓ | 12 /100 |
| Price | $160 | n/s |
| Features | 3Pump sack included, Two-way valve, Repair kit included✓ | 2Pump sack included, Repair kit included |
| Type | Inflatable | Inflatable |
| Shape | Rectangular | Rectangular |
Highlighted cells mark the better spec: Eclipse All-Season in blue, Ionosphere 5.5 in amber. A blank spec is never counted as a win. GearScore is the rating for the Overall use-case (0 to 100). Pick another above to re-score. Prices are current MSRP.
The NEMO Eclipse All-Season and Rab Ionosphere 5.5 take different routes to the same job. The Eclipse All-Season is the stronger pick on most of the specs that matter, while the Ionosphere 5.5 makes its case on price.
The Eclipse All-Season is warmer (R 6.2 vs R 5.5), 8 oz lighter, and stronger on warmth-to-weight. On the default GearScore the Eclipse All-Season leads 85 to 74.
Pick the Eclipse All-Season if you care most about warmth and low weight, which makes it the better call for colder nights and shoulder-season trips. Pick the Ionosphere 5.5 if you would rather save the difference.
The NEMO Eclipse All-Season. It is warmer (R 6.2 vs R 5.5) than the Ionosphere 5.5.
The NEMO Eclipse All-Season. It is 8 oz lighter than the Ionosphere 5.5.
The NEMO Eclipse All-Season, 85 to 74 on the default algorithm. You can re-weight the factors to match your trip.
The Eclipse All-Season is the stronger all-round pick here. Choose the Ionosphere 5.5 if it is the better value for you.