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Ether Light XR Pro Insulated
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Ether Light XR Pro Insulated + Sea To Summit

Ether Light XR Pro Insulated

Insulated and comfortable hiking mat - Ether Light XR Pro Insulated - Sea to Summit - 2026

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Ether Light XR Pro Insulated
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Description

The Ether Light XR Insulated is a thick, insulating mattress from the brand Sea to Summit.

It incorporates an optimized foam construction Air Core-V, which optimises weight distribution and insulation to make it a lightweight, insulating and comfortablemodel. With an R-value of 7.4, this mattress can be used even on cold nights. Its insulation Thermal Core makes it a mattress that will keep you warm while reducing the weight of the model.

This model comes with an inflation/storage bag Airstream. A repair kit and spare valve are also included. With its exceptional performance, this mattress is perfectly suited to extreme conditions and expeditions.

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The Ether Light XR Insulated is a thick, insulating mattress from the brand Sea To Summit.

It features Air Core-V optimised foam construction, which optimises weight distribution and insulation to make it lightweight, insulating and comfortable. With an R-Value of 4.5, this mattress can be used all year round. Its insulation Thermal Core makes this a mattress that will keep you warm, while reducing the weight of the model.

This model comes with a storage bag that includes a built-in pump Airstream. A repair kit and replacement valve are also included. With its exceptional performance, this mattress is perfectly suited to extreme conditions and expeditions.

Ether Light XR Pro Insulated
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Technical details
R-value
7.4000, 7.5
Best of Snowleader
Mattress shape
Ergonomic
Overview
Brand
Sea To SummitSea To Summit-logo
Warranty
2
Year
2026
Season
Spring
Gender
Unisex
Product details
Dimensions (cm)
183 x 55 cm
Thickness (cm)
10
Weight (g)
720 560
Technical details
Compactible
Yes
Insulation
Yes
Self-inflating
No
Air mattress
Yes
Ultracompressible
Yes
Other features

- technology Delta Core™
- Attachment system Pillow Lock™
- Antimicrobial surface
- Very thick
- Multifunction valve
- Soft and comfortable
- Sturdy

Composition :
- Upper material: 30D stretch fabric
- Outer material: 75D Polyester, laminated TPU
- Insulation : Thermal Core

Sizes:


Size Small Regular Large
Dimensions 168 x 55 cm 183 x 55 cm 198 x 64 cm
Dimensions when folded Ø 12 x 21 cm Ø 12 x 21 cm Ø 12.5 x 24 cm
weight 445 g 470 g 605 g




Pillow Lock™ This system allows you to attach a pillow Aeros™ to your mattress Sea to Summit to prevent it from slipping.
Delta Core™ This strategic mattress construction increases heat retention in areas where it is needed and reduces the weight of the mattress in areas where less warmth is required, resulting in an overall weight reduction of approximately 20%.
Airstream This clever storage bag can also be used as an inflation bag. It allows you to inflate easily and saves you from the breathlessness and dizziness caused by inflating with your mouth.
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- Delta Core™ technology
- Hanging system Pillow Lock™
- Antimicrobial surface
- Very thick
- Multifunction valve
- Soft and comfortable
- Robust

Materials:
- Upper material : 30D stretch fabric
- Outer material: 75D polyester, TPU laminate
- Insulation: Thermal Core

Sizes:


Size Small Regular Large
Dimensions: 168 x 55 cm cm 183 x 55 cm 198 x 64 cm
Dimensions folded Ø 12 x 21 cm Ø 12 x 21 cm Ø 12.5 x 24 cm
Weight 445g 470g 605g




Pillow Lock™ This system allows you to attach a Aeros™ pillow to your Sea to Summit mattress to prevent it from slipping.
Delta Core™ This strategic mattress construction increases heat retention in areas where it is needed and reduces the weight of the mattress in areas where less heat is required, for an overall weight reduction of around 20%.
Airstream This clever storage bag can also be used as an inflation bag. It's easy to inflate and saves you the breathlessness and dizziness of inflating by mouth.

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