Altra Lone Peak 9 (Men's) vs On Running Cloudultra 2 Trail Shoe
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...
Check price Full details →Trail running shoe at 289g per shoe with Helion superfoam and Missiongrip tread, versatile for both ultrarunning and hiking.
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Altra Lone Peak 9 (Men's) vs On Running Cloudultra 2 Trail Shoe: which should you buy?
If saving weight is your priority, the On Running Cloudultra 2 Trail Shoe wins — at 289 g it is 4 g (1%) lighter than the Altra Lone Peak 9 (Men's) (293 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.