Altra Lone Peak 9 (Men's) vs On Running Cloudultra 3
Weight and specs compared for 2026 — and which one to choose.
Zero-drop trail running shoe designed for thru-hiking. FootShape toe box and MaxTrac outsole for grip. Weight per shoe in US size 9. Versatile for all condition...
Full details →Trail running shoe at 10.4 oz per shoe for hiking, updated 2026 model with enhanced stability
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Altra Lone Peak 9 (Men's) vs On Running Cloudultra 3: which should you buy?
If saving weight is your priority, the Altra Lone Peak 9 (Men's) wins — at 293 g it is 2 g (1%) lighter than the On Running Cloudultra 3 (295 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.