Sea to Summit Ether Light XR Pro Insulated ASC Mat
The Sea to Summit Ether Light XR Pro Insulated ASC Mat is built for serious cold-weather adventurers who don’t compromise on comfort or pack weight. Featuring Air Sprung Cell™ construction and ThermalCore™ insulation, it offers unmatched warmth, cushioning, and stability for alpine and four-season conditions.
With a 10cm thick profile, this mat provides plush support that adapts to your body — while the ASTM R-Value of 7.4 ensures you stay warm through sub-zero nights.
Key features:
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ThermalCore™ insulation for superior warmth (ASTM R-Value: 7.4)
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Air Sprung Cell™ design for even pressure distribution and comfort
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XPRESS™ valve and integrated Airstream™ pumpsack for fast inflation
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Welded construction is twice as strong as previous models
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PillowLock™ system keeps your Aeros Pillow in place all night
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Lightweight and compact — ideal for backcountry missions
Specs (Regular Size):
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Thickness: 10cm
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Weight: 560g
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Packed size: 21 x 12cm
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Fabric: 30D/40D nylon with TPU lamination
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Included: Mat, Airstream™ pumpsack stuff sack, repair kit, PillowLock™ patches
Engineered for harsh terrain and bitter cold, this mat is for explorers who expect the best from their gear — and get it.
