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Therm-a-Rest Z-Lite Sol Regular Pad vs Zpacks Zip Around Sleeping Bag 20°F

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

Therm-a-Rest Z-Lite Sol Regular Pad is the lighter option — 215 g lighter than the Zpacks Zip Around Sleeping Bag 20°F (35% less weight). If grams matter to you, that is the one to beat.
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Spec Therm-a-Rest Z-Lite Sol Regular Pad Zpacks Zip Around Sleeping Bag 20°F
Weight 397 g · 0.397 kg · 0.88 lb 612 g · 0.612 kg · 1.35 lb
Brand Therm-a-Rest Zpacks
Category Sleep System Sleep System
Therm-a-Rest Z-Lite Sol Regular Pad
397 g

Foam sleeping pad regular, 14oz, R-value 2.0, reflective aluminum layers

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Zpacks Zip Around Sleeping Bag 20°F
612 g

900-fill down sleeping bag with full-length side zipper for easy entry and temperature regulation. Rated to -7°C, excellent for thru-hikers seeking packable, ve...

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Therm-a-Rest Z-Lite Sol Regular Pad vs Zpacks Zip Around Sleeping Bag 20°F: which should you buy?

If saving weight is your priority, the Therm-a-Rest Z-Lite Sol Regular Pad wins — at 397 g it is 215 g (35%) lighter than the Zpacks Zip Around Sleeping Bag 20°F (612 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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