Here is how these two sleeping pads compare on the numbers. The Ultralight XR Insulated takes a modest overall edge, led by warmth, but the Ultralight Women's Insulated has its own case.
| Sea to Summit Ultralight XR Insulated | Sea to Summit Ultralight Women's Insulated | |
|---|---|---|
| GearScore | 84✓ | 80 |
| Warmth (R-value) | 3.6 R✓ | 3.5 R |
| Weight | 13.8 oz✓ | 16.9 oz |
| Warmth-to-weight | 0.92 R/100g✓ | 0.73 R/100g |
| Packed size | 1.46 L✓ | 3.44 L |
| Thickness | 2.6 in✓ | 2.0 in |
| Durability | 39 /100 | 39 /100 |
| Price | $149✓ | $179 |
| Features | 3Pump sack included, Two-way valve, Repair kit included✓ | 1Pump sack included |
| Type | Inflatable | Inflatable |
| Shape | Tapered | Tapered |
Highlighted cells mark the better spec: Ultralight XR Insulated in blue, Ultralight Women's Insulated 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 Sea to Summit Ultralight XR Insulated against the Sea to Summit Ultralight Women's Insulated is a study in priorities. The Ultralight XR Insulated wins on warmth and low weight, and the Ultralight Women's Insulated pushes back on value.
The Ultralight XR Insulated is warmer (R 3.6 vs R 3.5), 3 oz lighter, and stronger on warmth-to-weight. On the default GearScore the Ultralight XR Insulated leads 84 to 80.
Pick the Ultralight XR Insulated if you care most about warmth and low weight, which makes it the better call for colder nights and shoulder-season trips. Pick the Ultralight Women's Insulated if you would rather save the difference.
The Sea to Summit Ultralight XR Insulated. It is warmer (R 3.6 vs R 3.5) than the Ultralight Women's Insulated.
The Sea to Summit Ultralight XR Insulated. It is 3 oz lighter than the Ultralight Women's Insulated.
The Sea to Summit Ultralight XR Insulated, 84 to 80 on the default algorithm. You can re-weight the factors to match your trip.
It depends on your priorities. Go with the Ultralight XR Insulated for warmth, or the Ultralight Women's Insulated for the price. The spec table above shows exactly where each wins.