Sea To Summit Ether Light XR Pro Insulated Sleeping Mat

Ether Light XR Pro Insulated Sleeping Mat offers ultralight warmth with Thermal Core insulation for extreme conditions

What Our Gearhead® Experts Are Saying:

"This mat is a game-changer for cold-weather adventures. The Thermal Core insulation keeps me warm even in freezing temps, and the Air Sprung Cells provide incredible comfort without the bulk. At just 4 inches thick, it feels like sleeping on a cloud, and it packs down surprisingly small for how warm it is. Whether mountaineering or winter camping, this is my go-to."

When pushing into extreme conditions, we need a sleeping pad that won’t let us down. The Ether Light XR Pro Insulated Sleeping Mat delivers next-level warmth and comfort while staying ultralight for high-output adventures.

With an impressive 7.5 R-value, this mat is built to insulate against frigid ground temperatures, keeping us warm even in deep winter. The multi-layer Thermal Core insulation reflects body heat and minimizes air movement, ensuring maximum efficiency without extra weight. Air Sprung Cells provide plush support, mimicking the feel of a real mattress for restful nights. At 4 inches thick, it offers luxurious cushioning while remaining incredibly packable. From alpine expeditions to winter backcountry treks, this pad is designed for those who refuse to compromise on warmth and comfort.

Details

• Ultralight and warm sleeping mat for winter camping and alpine expeditions
• Multi-layer Thermal Core insulation provides an exceptional 7.5 R-value
• Air Sprung Cells deliver superior stability and comfort on rough terrain
• 4-inch thickness offers premium cushioning for a restful sleep
• XPress valve allows for fast inflation and deflation with minimal effort
• Lightweight, packable design makes it ideal for high-performance adventures
• Item #STSZ0AR

Tech Specs

Material

[face fabric] TPU, [insulation] Thermal Core (reflective film)

Style

air pad

Shape

mummy, rectangular

Thickness

4in

R-Value

7.5

Pump

stuff sack

Stuff Sack

included

Dimensions

[small] 66 x 21.6in, [regular] 72 x 21.6in, [large] 78 x 25.2in, [rectangular reg. wide] 72 x 25.2in, [rectangular large] 79 x 25.2in

Claimed Weight

[small] 1lb 2.1oz, [regular] 1lb 3.4oz, [large] 1lb 8.7oz, [rectangular reg. wide] 1lb 8.9oz, [rectangular large] 1lb 11.5oz

Activity

weekend camping, backpacking, winter camping

Manufacturer Warranty

lifetime