The Ether Light XR Pro Insulated is Sea to Summit's premium 4-inch-thick insulated air pad. R-value 5.2 across Thermolite XT and Exkin Platinum reflective layers. Air Sprung Cell construction distributes weight without the lumpiness of horizontal-baffle pads. Multi-function valve handles inflate, fine-tune, and dump from a single control. The pick when you want a true four-season pad without going to foam.
Sea to Summit
Ether Light XR Pro Insulated Sleeping Pad
Shipping
$187
1 retailer
At a glance6 specs
shell
30D nylon
valve
Multi-function
r value
5.2
insulation
Thermolite XT + Exkin Platinum
thickness in
4
comfort class
ASC (All-Season Comfort)
Where to buy
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Description
Last reviewed May 16, 2026
Full specifications
7 fields
| shell | 30D nylon |
|---|---|
| valve | Multi-function |
| r value | 5.2 |
| insulation | Thermolite XT + Exkin Platinum |
| thickness in | 4 |
| comfort class | ASC (All-Season Comfort) |
| weight oz regular | 19.4 |
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