Sea to Summit Alto TR2 vs Yama Mountain Gear Cirriform 1P Tarp
Weight and specs compared for 2026 — and which one to choose.
Ultralight 2-person tent with tension ridge architecture.
Full details →Ultralight silpoly tarp shelter with floorless design and doors. Weighs just 309g for minimal packed weight.
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Sea to Summit Alto TR2 vs Yama Mountain Gear Cirriform 1P Tarp: which should you buy?
If saving weight is your priority, the Yama Mountain Gear Cirriform 1P Tarp wins — at 309 g it is 751 g (71%) 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.