Two sleeping pads worth lining up side by side. On the data the NeoAir XTherm NXT is the stronger all-round pick, and the question is whether the Hypersphere Ultra 7.5 Down still fits your budget or priorities.
| Therm-a-Rest NeoAir XTherm NXT | Rab Hypersphere Ultra 7.5 Down | |
|---|---|---|
| GearScore | 86✓ | 77 |
| Warmth (R-value) | 7.3 R | 7.3 R |
| Weight | 15.5 oz✓ | 21.5 oz |
| Warmth-to-weight | 1.66 R/100g✓ | 1.20 R/100g |
| Packed size | 2.34 L✓ | 3.69 L |
| Thickness | 3.0 in | 3.1 in✓ |
| Durability | 57 /100✓ | 12 /100 |
| Price | $230✓ | $250 |
| Features | 3Pump sack included, Two-way valve, Repair kit included✓ | 2Pump sack included, Repair kit included |
| Type | Inflatable | Inflatable |
| Shape | Mummy | Rectangular |
Highlighted cells mark the better spec: NeoAir XTherm NXT in blue, Hypersphere Ultra 7.5 Down 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 Therm-a-Rest NeoAir XTherm NXT and Rab Hypersphere Ultra 7.5 Down take different routes to the same job. The NeoAir XTherm NXT is the stronger pick on most of the specs that matter, while the Hypersphere Ultra 7.5 Down makes its case on cushion.
The NeoAir XTherm NXT is 6 oz lighter, stronger on warmth-to-weight, and more packable (2.3 L vs 3.7 L). The Hypersphere Ultra 7.5 Down is thicker for more cushion. On the default GearScore the NeoAir XTherm NXT leads 86 to 77.
Pick the NeoAir XTherm NXT if you care most about low weight and warmth-to-weight, which makes it the better call for counting grams on long miles. Pick the Hypersphere Ultra 7.5 Down if cushion matter more to you, or you are focused on comfort and room to move.
The Therm-a-Rest NeoAir XTherm NXT. It is 6 oz lighter than the Hypersphere Ultra 7.5 Down.
The Therm-a-Rest NeoAir XTherm NXT. It is stronger on warmth-to-weight than the Hypersphere Ultra 7.5 Down.
The Therm-a-Rest NeoAir XTherm NXT, 86 to 77 on the default algorithm. You can re-weight the factors to match your trip.
The NeoAir XTherm NXT is the stronger all-round pick here. Choose the Hypersphere Ultra 7.5 Down if cushion is your priority.