Best in 7 days
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sea To Summit Ether Light Xt Insulated Sleeping MatThe new Ether Light XT Insulated Air Sleeping Mat brings Air Sprung Cell comfort to the realm of thicker air sleeping mats. Quiet and lightweight, this sleeping mat uses two types of insulation to provide three season warmth. R Value of 3. 2 is designed for warmer weather use. Click here to learn about the new ASTM R Value test standard. At 4 inches thick, Ether Light XT Air Sprung Cells provides a plush sleeping experience Exkin Platinum insulation
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.9 ★★★★★
Based on 1449 reviews
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Product Reviews
★★★★★ 5
Highly Recommend these as daily socks
Size: X-Large, Color: Black
I love these socks. I’ve been wearing for years. There was a batch I purchased about 2 years ago that all fell apart in the same seam location after 6 months but UA appears to have resolved. I highly recommend.
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Reviewed in the United States on September 22, 2025
★★★★★ 3
They're ok, miss the resistor 3.0
Size: Large, Color: Black
I bought these because Under Armour stopped making the resistor 3.0 socks. These are fine, but the resistors are better. This model is a little too form-fitting, and I have to make sure they're situated on my toes properly, otherwise they'll sit between my little toe and the next one.
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Reviewed in the United States on June 13, 2025
★★★★★ 5
UA Socks
Size: Large, Color: Black
Great socks for summer. Just what I wanted.
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Reviewed in the United States on July 3, 2025
★★★★★ 5
Good Socks.
Size: Large, Color: Black
Good fit and comfortable socks.
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Reviewed in the United States on July 20, 2025
★★★★★ 5
Great quality.
Size: Large, Color: (001) Black / Black / White
Thickness and comfort are great. Quality is great and the same I would expect if I bought at the branded storefront.
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Reviewed in the United States on March 11, 2026
