Sea to Summit
Ether Light XT Insulated
The manufacturer does not publish a list price for this product.
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Overview
Extra-thick 4-inch, lightweight air mattress provides a plush, women’s-specific sleeping surface for 3-season (3.5 R-Value) backpacking, camping, and bike touring. Single-layer Air Sprung Cell construction mimics a spring mattress; women’s pad is cut narrower at the shoulders and wider around the hips and knees.
Specs
- Brand
- Sea to Summit
- Weight
- 422 g · 14.9 oz
- Material
- Nylon
- Item Weight
- 14.88 ounces
- Product Dimensions
- 66"L x 21.5"W x 4"Th
Weight vs. category
17% lighter than the category average.
How it measures up
Against every one of the sleeping pads in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
- Weight
- 14.9 oz (422 g)
- Lighter than 50% of 22 weighed · #11 lightest
- -2% vs the median 15.2 oz
- Price
- $345.27
- Cheaper than 3% of 30 priced · #29 cheapest
- +250% vs the median $98.68 · $23.19/oz (median $4.25/oz)
The lightest of the sleeping pads on record is Zpacks Neoair Xlite Nxt Sleeping Pad at 11.5 oz — 96 g less.
The cheapest is Gossamer Gear GVP Foam Donut at $6.00 — $339.27 less.
RidgeNote verdict
Similar — lighter or cheaper
Related reading
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What Is the Lightest Backpacking Sleeping Pad in 2026?
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No manufacturer list price published