Big Agnes String Ridge VST 1.5 vs Sea to Summit Alto TR2
Weight and specs compared for 2026 — and which one to choose.
2026 single-wall shelter in HyperBead fabric for 1-1.5 persons, from Big Agnes' new VST collection. Trail weight starts at 539g.
Full details →Ultralight 2-person tent with tension ridge architecture.
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Big Agnes String Ridge VST 1.5 vs Sea to Summit Alto TR2: which should you buy?
If saving weight is your priority, the Big Agnes String Ridge VST 1.5 wins — at 539 g it is 521 g (49%) 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.