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Arc'teryx Bora AR 63 vs Gregory Baltoro 75
Weight and specs compared for 2026 — and which one to choose.
Arc'teryx Bora AR 63 is the lighter option — 90 g lighter than the Gregory Baltoro 75 (4% less weight). If grams matter to you, that is the one to beat.
Arc'teryx Bora AR 63
2,270 g
Technical 63L pack with RotoGlide hipbelt for alpine approaches.
Full details →Gregory Baltoro 75
2,360 g
Workhorse 75L pack for extended expeditions and heavy loads.
Full details →Arc'teryx Bora AR 63 vs Gregory Baltoro 75: which should you buy?
If saving weight is your priority, the Arc'teryx Bora AR 63 wins — at 2,270 g it is 90 g (4%) lighter than the Gregory Baltoro 75 (2,360 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 backpack page, or browse the full gear weight database.