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Sea to Summit Alto TR2 vs Zpacks Plex Solo

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

Zpacks Plex Solo is the lighter option — 748 g lighter than the Sea to Summit Alto TR2 (71% less weight). If grams matter to you, that is the one to beat.
Spec Sea to Summit Alto TR2 Zpacks Plex Solo
Weight 1,060 g · 1.060 kg · 2.34 lb 312 g · 0.312 kg · 0.69 lb
Brand Sea to Summit Zpacks
Category Shelter Shelter
Sea to Summit Alto TR2
1,060 g

Ultralight 2-person tent with tension ridge architecture.

Full details →
Zpacks Plex Solo
312 g

Ultralight single-person Dyneema shelter for minimalists.

Full details →

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Sea to Summit Alto TR2 vs Zpacks Plex Solo: which should you buy?

If saving weight is your priority, the Zpacks Plex Solo wins — at 312 g it is 748 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.

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