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Nemo Fillo Elite Wide UL vs Zpacks Classic 20°F Sleeping Bag

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

Nemo Fillo Elite Wide UL is the lighter option — 457 g lighter than the Zpacks Classic 20°F Sleeping Bag (79% less weight). If grams matter to you, that is the one to beat.
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Spec Nemo Fillo Elite Wide UL Zpacks Classic 20°F Sleeping Bag
Weight 119 g · 0.119 kg · 0.26 lb 576 g · 0.576 kg · 1.27 lb
Brand Nemo Zpacks
Category Sleep System Sleep System
Nemo Fillo Elite Wide UL
119 g

Hybrid inflatable pillow with foam padding. Lightweight comfort at 4.2 oz for multi-day hikes.

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Zpacks Classic 20°F Sleeping Bag
576 g

Ultralight mummy sleeping bag with 900-fill power goose down rated to 20°F. Water-resistant down and Dyneema shell. Weighs 20.3 oz in regular size.

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Nemo Fillo Elite Wide UL vs Zpacks Classic 20°F Sleeping Bag: which should you buy?

If saving weight is your priority, the Nemo Fillo Elite Wide UL wins — at 119 g it is 457 g (79%) lighter than the Zpacks Classic 20°F Sleeping Bag (576 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.

More sleep system comparisons