Sea to Summit Alto TR2 vs Zpacks 7x9 Flat Tarp
Weight and specs compared for 2026 — and which one to choose.
Ultralight 2-person tent with tension ridge architecture.
Full details →Minimalist DCF tarp shelter at 139g. Provides 7x9 ft coverage with 8 tie-out loops. Best for experienced tarpers in fair weather.
Check price Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Sea to Summit Alto TR2 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 921 g (87%) lighter than the Sea to Summit Alto TR2 (1,060 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.