Big Agnes Tiger Wall UL2 vs Sea to Summit Alto TR2

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

Big Agnes Tiger Wall UL2 is the lighter option — 40 g lighter than the Sea to Summit Alto TR2 (4% less weight). If grams matter to you, that is the one to beat.

Spec	Big Agnes Tiger Wall UL2	Sea to Summit Alto TR2
Weight	1,020 g · 1.020 kg · 2.25 lb	1,060 g · 1.060 kg · 2.34 lb
Brand	Big Agnes	Sea to Summit
Category	Shelter	Shelter

Big Agnes Tiger Wall UL2

1,020 g

Non-freestanding 2-person tent. Lighter than Copper Spur.

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Sea to Summit Alto TR2

1,060 g

Ultralight 2-person tent with tension ridge architecture.

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Big Agnes Tiger Wall UL2 vs Sea to Summit Alto TR2: which should you buy?

If saving weight is your priority, the Big Agnes Tiger Wall UL2 wins — at 1,020 g it is 40 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.

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