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On Running Cloudultra 3 vs Salomon X Ultra 4 GORE-TEX

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

On Running Cloudultra 3 is the lighter option — 215 g lighter than the Salomon X Ultra 4 GORE-TEX (42% less weight). If grams matter to you, that is the one to beat.
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Spec On Running Cloudultra 3 Salomon X Ultra 4 GORE-TEX
Weight 295 g · 0.295 kg · 0.65 lb 510 g · 0.510 kg · 1.12 lb
Brand On Running Salomon
Category Footwear Footwear
On Running Cloudultra 3
295 g

Trail running shoe at 10.4 oz per shoe for hiking, updated 2026 model with enhanced stability

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Salomon X Ultra 4 GORE-TEX
510 g

Waterproof low-cut hiking shoe with GORE-TEX membrane, Contagrip MA sole and SensiFit cradle for precise fit.

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On Running Cloudultra 3 vs Salomon X Ultra 4 GORE-TEX: which should you buy?

If saving weight is your priority, the On Running Cloudultra 3 wins — at 295 g it is 215 g (42%) lighter than the Salomon X Ultra 4 GORE-TEX (510 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.

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