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Liteway Simple Quilt Apex 10D vs Sea to Summit Spark SP III

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

Liteway Simple Quilt Apex 10D is the lighter option — 227 g lighter than the Sea to Summit Spark SP III (32% less weight). If grams matter to you, that is the one to beat.
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Spec Liteway Simple Quilt Apex 10D Sea to Summit Spark SP III
Weight 482 g · 0.482 kg · 1.06 lb 709 g · 0.709 kg · 1.56 lb
Brand Liteway Sea to Summit
Category Sleep System Sleep System
Liteway Simple Quilt Apex 10D
482 g

Synthetic quilt at 482g. Climashield Apex insulation rated +1°C, performs well in damp conditions.

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Sea to Summit Spark SP III
709 g

850-fill down sleeping bag rated to 0°C / 32°F.

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Liteway Simple Quilt Apex 10D vs Sea to Summit Spark SP III: which should you buy?

If saving weight is your priority, the Liteway Simple Quilt Apex 10D wins — at 482 g it is 227 g (32%) lighter than the Sea to Summit Spark SP III (709 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.

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