Ether Light XT Insulated Mat - Women's

$159.16 - $175.16
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Plush, warm comfort at a low weight; quiet fabric

The women’s Ether Light XT Insulated Air Sleeping Mat offers a high degree of comfort at a low weight. Additional Thermolite® insulation (compared to the unisex model) provides three-season warmth for women backpackers.
This insulated sleeping pad has updated 30D / 40D face fabric that is quiet and durable, and the lamination technology continues Sea to Summit’s class-leading reliability.

As of January 1 2020, all sleeping mat manufacturers will test mats for R-Value in independent labs using the ASTM standard F3340-18. Having one test standard provides clarity and transparency to consumers and allows comparisons across brands. Since the standard was published, Sea to Summit has continued to work with other sleeping mat manufacturers and with accredited labs to ensure that the testing is accurate and representative of actual mat performance.
The new test protocol will see some changes to previously published R-Values. It’s important to note that where values do change, it doesn’t signify a drop or increase in warmth—it simply means they have been tested using a slightly different scale.
The packaging of some mats will still carry the previous R-Value, but the mat itself has not changed.


Brand Name:
Sea to Summit
Pad Thickness:
4 in / 10 cm
Pad Width:
Regular: 21.5 in / 55 cm
Large: 25 in / 64 cm
Insulation Type:
Exkin Platinum® fabric and THERMOLITE® insulation
Insulated Pad:
Gray / Red
Regular: 14.8 oz / 420 g
Large: 18.7 oz / 530 g
Regular: 66 in / 168 cm
Large: 72 in / 183 cm
Bag Stuff Size:
Regular: 4.5 x 11 in / 11 x 24 cm
Large: 4.75 x 11 in / 12 x 28 cm
Other Features:
• R-Value of 4.2 is warm enough for 3.5 seasons
• At 4 inches thick, Ether Light XT Air Sprung Cells™ provides a plush sleeping experience
• Exkin Platinum® fabric and THERMOLITE® insulation are combined to prevent heat loss. All women's mats feature a thicker insulation layer.
• Lighter, quieter and durable 30D / 40D face fabric with Sea to Summit's liquid-extruded lamination is quiet, durable and extremely reliable.
• Quick and easy inflation, deflation and adjustment made possible by our patent-pending multi-function valve and supplied Airstream Pump™/stuff sack.
• Includes Stuff sack with integrated Airstream™ Pump, Repair Kit, PillowLock™
• Comfort & Support
-- 4 inches thick offers unrivaled comfort and support and you won't feel the uneven ground beneath you.
• Women's Specific Sleeping Mat Shape
-- Narrower in the shoulders, wider between the hips and knees. Offers greater comfort and you won't feel the uneven ground beneath you. Perfectly shaped to match Sea to Summit's women's sleeping bags.
-- The Pillow Lock™ System comprises of self-adhesive hook-and-loop patches which are supplied with all Sea to Summit sleeping mats (as of Spring 2019)
-- Attached to your sleeping mat, these patches secure your pillow and prevent it slipping - yet they will not snag on clothing or other lightweight fabrics.
-- All Sea to Summit Pillows (as of Spring 2019) are compatible with this system. Existing pillows can be made Pillow Lock™ compatible by adding an Aeros Pillow Case.
30D / 40D nylon with anti-microbial liquid-extruded TPU lamination

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