Nemo Hornet OSMO 1P vs Zpacks 7x9 Flat Tarp

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

Zpacks 7x9 Flat Tarp is the lighter option — 561 g lighter than the Nemo Hornet OSMO 1P (80% less weight). If grams matter to you, that is the one to beat.

Spec	Nemo Hornet OSMO 1P	Zpacks 7x9 Flat Tarp
Weight	700 g · 0.700 kg · 1.54 lb	139 g · 0.139 kg · 0.31 lb
Brand	Nemo	Zpacks
Category	Shelter	Shelter

Nemo Hornet OSMO 1P

700 g

Ultralight 1-person tent with improved condensation management.

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Zpacks 7x9 Flat Tarp

139 g

Minimalist DCF tarp shelter at 139g. Provides 7x9 ft coverage with 8 tie-out loops. Best for experienced tarpers in fair weather.

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Nemo Hornet OSMO 1P vs Zpacks 7x9 Flat Tarp: which should you buy?

If saving weight is your priority, the Zpacks 7x9 Flat Tarp wins — at 139 g it is 561 g (80%) lighter than the Nemo Hornet OSMO 1P (700 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 shelter page, or browse the full gear weight database.

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