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Sea to Summit Ember Down Sleeping Bag vs Sea to Summit Ember XT 0°C Sleeping Bag

Weight and specs compared for 2026 — and which one to choose.

Both weigh the same at 609 g, so choose on features, price and fit.
Spec Sea to Summit Ember Down Sleeping Bag Sea to Summit Ember XT 0°C Sleeping Bag
Weight 609 g · 0.609 kg · 1.34 lb 609 g · 0.609 kg · 1.34 lb
Brand Sea to Summit Sea to Summit
Category Sleep System Sleep System
Sea to Summit Ember Down Sleeping Bag
609 g

850+ Ultradry down sleeping bag rated to 9°C; packs to 5.1L with soft Thermolite liner and recycled shell fabric.

See it in your base weight → Full details →
Sea to Summit Ember XT 0°C Sleeping Bag
609 g

Ultralight 0°C rated bag with 850+ UltraDry Down insulation. Stretch-knit lining and sculpted hood for packability and comfort.

See it in your base weight → Full details →

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Sea to Summit Ember Down Sleeping Bag vs Sea to Summit Ember XT 0°C Sleeping Bag: which should you buy?

On weight these two are identical (609 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

See where both rank against everything else in this category on the lightest sleep system page, or browse the full gear weight database.

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