Sea to Summit Ember Sleeping Bag vs Therm-a-Rest Z Lite Sol
Weight and specs compared for 2026 — and which one to choose.
Three-season sleeping bag with 850+ UltraDry hydrophobic down, 5.1L pack size, and a rectangular zipper profile for comfort. Men's regular size.
Full details →Classic accordion-fold foam pad. R-value 2.0. Indestructible.
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Sea to Summit Ember Sleeping Bag vs Therm-a-Rest Z Lite Sol: which should you buy?
If saving weight is your priority, the Therm-a-Rest Z Lite Sol wins — at 410 g it is 199 g (33%) lighter than the Sea to Summit Ember Sleeping Bag (609 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.