The Sea to Summit Ether Light XR Pro Insulated Air Sleeping Mat – Large Rectangular is the go-to option when you want maximum sleeping space plus true four-season warmth. ThermalCore insulation uses multiple TRM reflective layers to boost warmth while staying quiet, helping you sleep comfortably through winter camping and alpine conditions. The 10 cm Air Sprung Cell construction provides stable, cushioned support for side sleeping and longer nights in camp. With the XPRESS valve and integrated Airstream pump sack, inflation and pack-down are quick, clean, and straightforward.

Sea to Summit Ether Light XR Pro – Large Rectangular Features & Specifications

• ThermalCore insulation: Multi-layer TRM reflective insulation helps retain warmth in cold conditions.
• Four-season capable: ASTM-tested R-Value 7.4 for winter use.
• 10 cm thick support: Air Sprung Cell design delivers plush comfort and stability.
• Maximum room: Large rectangular shape provides extra space for natural movement.
• XPRESS valve + pump sack: Integrated Airstream pump sack in the stuff sack for fast inflation and easy deflation.
• Improved durability: Increased weld strength for hard-wearing performance.
• PillowLock patches included: Helps keep your Aeros pillow in place overnight.
• Best Use: Winter Camping, Mountaineering, Cold Weather Backpacking
• Materials: 30/40D nylon with TPU lamination, multi-layer TRM reflective insulation
• Comes With: Stuff sack with integrated pump sack, PillowLock patches, repair kit
• R-Value: 7.4
• Thickness: 10 cm
• Weight: 790 g
• Stuff / Pump Sack Weight: 60 g
• Packed Weight: 850 g
• Packed Size: 24 x 13.5 x 13.5 cm
• Fits Up To Height: 198 cm