Sea to Summit Ether Light XR Insulated Sleeping Pad Small 66 x 21.5 x 4 in

Plush comfort meets trail-smart design

The Ether Light XR sleeping pad from Sea to Summit is built to ease your night after a long day on the trail. With 10 cm of plush thickness, you’ll settle into a stable, supportive surface that cushions hips and shoulders in any sleeping position. The tapered small footprint helps it fit into tight bivies or alpine packs without compromising comfort, so you can focus on the next leg of your journey.

Smart insulation that travels light

ThermalCore insulation combines quiet TRM layers that reflect warmth back toward you, helping maintain comfort without adding bulk. Paired with an ASTM R-value of 4.1 for extended-season use, this pad aims to strike a balance between warmth, weight, and space in your pack.

• ThermalCore insulation uses quiet, reflective layers to add warmth without extra heft
• Extended three-season capability with an R-value of 4.1
• Significantly lighter and more compact than prior models
• Air Sprung Cell construction delivers 10 cm (3.9 in) of plush, stable support
• XPRESS valve and pumpsack integrated into the stuff sack for easy inflation and deflation

In-field convenience that keeps you moving

Inflation and deflation feel effortless thanks to the built-in XPRESS valve and pumpsack. You can quickly adjust firmness on the go and pack away with minimal fuss, so you spend less time setting up camp and more time enjoying the outdoors.

Compact, versatile for trail travelers

Measuring 66 by 21.5 inches in the small tapered form, this pad slips into panniers or backpacks with ease. The tapered design saves space without sacrificing the 4-inch thickness that supports a natural sleeping posture in varying conditions.

Rugged, reliable design for backcountry nights

Sea to Summit designed the Ether Light XR to be a dependable companion on extended trips. The pad blends soft, supportive comfort with durable materials, making it a practical choice for repeated use across seasons. Pack it, slide it into a sleeve, and head out with one less thing to worry about.