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Sea to Summit Alto TR2 vs Sea to Summit Telos TR2

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

Sea to Summit Alto TR2 is the lighter option — 480 g lighter than the Sea to Summit Telos TR2 (31% less weight). If grams matter to you, that is the one to beat.
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Spec Sea to Summit Alto TR2 Sea to Summit Telos TR2
Weight 1,060 g · 1.060 kg · 2.34 lb 1,540 g · 1.540 kg · 3.40 lb
Brand Sea to Summit Sea to Summit
Category Shelter Shelter
Sea to Summit Alto TR2
1,060 g

Ultralight 2-person tent with tension ridge architecture.

Full details →
Sea to Summit Telos TR2
1,540 g

2-person tent with tension ridge for optimal space.

Full details →

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Sea to Summit Alto TR2 vs Sea to Summit Telos TR2: which should you buy?

If saving weight is your priority, the Sea to Summit Alto TR2 wins — at 1,060 g it is 480 g (31%) lighter than the Sea to Summit Telos TR2 (1,540 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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