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Sea To Summit Ether Light XR Insulated Air Sleeping Mat - Regular
Sea To Summit Ether Light XR Insulated Air Sleeping Mat - Regular
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The Sea To Summit Ether Light XR Insulated Air Sleeping Mat - Regular is a lightweight, insulated and extra thick sleeping mat for hiking, thru-hiking and bikepacking. The Regular version measures 183 × 55 centimeters, weighs approximately 470 grams and is suitable for users with a body height of up to approximately 183 centimeters.
The 10-centimeter thick construction provides plenty of space between your body and the ground. Air Sprung Cells individually shape themselves to your body's movements, creating a stable and flexible sleeping surface, whether you sleep on your back, stomach or side.
ThermalCore insulation gives the sleeping pad an ASTM-tested R-value of 4.1, making Ether Light XR suitable for spring, summer, and fall, as well as cooler nights when ground frost may occur.
The R-value indicates how effectively the underlayment prevents heat loss to the ground. Actual sleeping comfort is also affected by sleeping bag, clothing, wind, humidity, ground temperature and individual cold tolerance.
For winter trips and severe cold, the base should be supplemented with a foam base or replaced with a model with a higher R-value. Ether Light XR Pro is the warmer option in the series for more demanding winter conditions.
ThermalCore consists of a suspended, heat-reflecting TRM layer inside the sleeping pad. The material reflects back some of the body heat and limits air movement inside the structure.
The reflective material is softer and quieter than traditional insulation films. The construction therefore provides a good balance between insulation, weight and packing volume without the sleeping pad becoming unnecessarily noisy.
The Air Sprung Cell™ construction consists of many interconnected air cells that act much like individual springs. The cells adapt to the body and distribute pressure across the sleeping surface.
The generous thickness is especially appreciated by side sleepers, as it reduces the risk of hips and shoulders being pressed down onto the ground. The firmness can be easily adjusted by releasing small amounts of air via the XPRESS valve.
The Regular version offers a full-length surface area of 183 x 55 centimeters while keeping weight and pack volume down. The tapered mummy shape saves material and takes up less space in the tent than a comparable rectangular sleeping pad.
This model is suitable for those who want more lying surface than the Small version but do not need the extra length and width of the Large. For users who want more room to move, there is also a rectangular Regular Wide version.
The storage bag also functions as an Airstream™ pump bag. It is filled with air and connected to the valve, allowing the mat to be inflated with just a few pumps. This method also reduces the amount of moisture from exhaled air that ends up inside the mat.
The XPRESS valve provides high air flow and has separate functions for inflation, fine-tuning and rapid deflation. When the valve is fully opened, air is quickly released before rolling up.
The outer fabric is made of lightweight and durable 30D/40D nylon with TPU lamination. Reinforced welds contribute to better durability and an airtight construction.
Included PillowLock™ attachment points can be placed on the sleeping pad to hold a compatible Sea to Summit Aeros pillow in place. Pillow not included.
Lightweight and insulated air-filled sleeping pad
Regular model for users up to approximately 183 cm tall
Weighs only about 470 grams
10 cm thick construction
ASTM-tested R-value of 4.1
Suitable for extended three-season use
ThermalCore with heat-reflecting TRM layer
Air Sprung Cells provide flexible pressure distribution
Comfortable for both back, stomach and side sleepers
XPRESS valve for inflation, adjustment and deflation
Airstream pump bag integrated into storage bag
Compact pack size
PillowLock attachment points included
Repair kit included
Without PFAS or flame retardant treatments
Size: Regular
Shape: Tapered
Capacity: 1 person
Length: 183 cm
Width: 55 cm
Thickness: 10 cm
Recommended body height: Up to approximately 183 cm
R-value: 4.1
Test standard: ASTM F3340
Weight, sleeping pad: Approximately 470 g
Weight, storage and pump bag: Approximately 55 g
Packed weight: Approximately 525 g
Packing dimensions: Approximately 20.5 × 11 × 11 cm
Outer material: 100% nylon
Material quality: 30D/40D nylon
Lamination: TPU
Valve: XPRESS valve in TPU
Insulation: ThermalCore with a suspended TRM layer
Construction: Air Spring Cell™
Pillow system: PillowLock™
Area of use: Hiking, thru-hiking and bikepacking
Included: Storage bag with integrated Airstream pump, PillowLock attachment points and repair kit
Unroll the sleeping pad and open the XPRESS valve to the inflation position. Connect the storage bag's integrated pump bag and inflate the pad until it is relatively firm. Then lie down on the pad and use the valve's fine adjustment to release air until you get the support you want.
Check the ground and remove rocks, branches and other sharp objects before laying out the ground. A footprint or thin protective ground can reduce wear when used outside the tent.
Wipe the sleeping pad with a soft cloth, lukewarm water and a mild detergent. Do not machine wash or tumble dry the pad.
Allow the base and its interior to dry thoroughly before long-term storage, especially if it has been inflated by mouth. Store dry with the valve open and avoid sharp objects, open flames, strong heat and prolonged exposure to direct sunlight.
