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Altra Olympus 6 vs Merrell Moab 3 GTX
Weight and specs compared for 2026 — and which one to choose.
Altra Olympus 6 is the lighter option — 546 g lighter than the Merrell Moab 3 GTX (61% less weight). If grams matter to you, that is the one to beat.
Altra Olympus 6
354 g
Max-cushion zero-drop trail shoe with FootShape toe box and Vibram Megagrip outsole, built for long miles and heavy packs.
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Altra Olympus 6 vs Merrell Moab 3 GTX: which should you buy?
If saving weight is your priority, the Altra Olympus 6 wins — at 354 g it is 546 g (61%) lighter than the Merrell Moab 3 GTX (900 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 footwear page, or browse the full gear weight database.