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On Cloudultra 2 (Men's US9) vs Scarpa Zodiac Plus GTX

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

On Cloudultra 2 (Men's US9) is the lighter option — 931 g lighter than the Scarpa Zodiac Plus GTX (76% less weight). If grams matter to you, that is the one to beat.
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Spec On Cloudultra 2 (Men's US9) Scarpa Zodiac Plus GTX
Weight 289 g · 0.289 kg · 0.64 lb 1,220 g · 1.220 kg · 2.69 lb
Brand On Scarpa
Category Footwear Footwear
On Cloudultra 2 (Men's US9)
289 g

Cushioned all-terrain trail shoe with Helion superfoam and Missiongrip. 289g, designed for ultrarunning and long-distance hiking on variable terrain

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Scarpa Zodiac Plus GTX
1,220 g

Technical Gore-Tex hiking boot. Resoleable leather construction.

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On Cloudultra 2 (Men's US9) vs Scarpa Zodiac Plus GTX: which should you buy?

If saving weight is your priority, the On Cloudultra 2 (Men's US9) wins — at 289 g it is 931 g (76%) lighter than the Scarpa Zodiac Plus GTX (1,220 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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