NEMO Eclipse All-Season vs Sea to Summit Ether Light XT
Weight and specs compared for 2026 — and which one to choose.
New 2026 sleeping pad combining features from previous winners. Offers 4-inch cushioning with contoured longitudinal baffles for supportive night sleep.
Ultralight air sleeping pad with 3D construction for comfort.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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NEMO Eclipse All-Season vs Sea to Summit Ether Light XT: which should you buy?
If saving weight is your priority, the NEMO Eclipse All-Season wins — at 453 g it is 37 g (8%) lighter than the Sea to Summit Ether Light XT (490 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest sleep system page, or browse the full gear weight database.