Sea to Summit Alto TR2 vs Tarptent MesoSpire 2
Weight and specs compared for 2026 — and which one to choose.
Ultralight 2-person tent with tension ridge architecture.
Full details →Lightweight single-wall two-person trekking-pole tent. Minimum weight 36oz using two pole sets; converts toward freestanding with included struts.
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Sea to Summit Alto TR2 vs Tarptent MesoSpire 2: which should you buy?
If saving weight is your priority, the Tarptent MesoSpire 2 wins — at 1,021 g it is 39 g (4%) 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.