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Sea to Summit Alto TR2 vs Tarptent Protrail Li

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

Tarptent Protrail Li is the lighter option — 521 g lighter than the Sea to Summit Alto TR2 (49% less weight). If grams matter to you, that is the one to beat.
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Spec Sea to Summit Alto TR2 Tarptent Protrail Li
Weight 1,060 g · 1.060 kg · 2.34 lb 539 g · 0.539 kg · 1.19 lb
Brand Sea to Summit Tarptent
Category Shelter Shelter
Sea to Summit Alto TR2
1,060 g

Ultralight 2-person tent with tension ridge architecture.

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Tarptent Protrail Li
539 g

Ultralight single-wall solo shelter with silnylon construction.

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Sea to Summit Alto TR2 vs Tarptent Protrail Li: which should you buy?

If saving weight is your priority, the Tarptent Protrail Li 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.

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