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Kahtoola MICROspikes vs On Running Cloudultra Pro

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

On Running Cloudultra Pro is the lighter option — 192 g lighter than the Kahtoola MICROspikes (42% less weight). If grams matter to you, that is the one to beat.
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Spec Kahtoola MICROspikes On Running Cloudultra Pro
Weight 454 g · 0.454 kg · 1.00 lb 262 g · 0.262 kg · 0.58 lb
Brand Kahtoola On Running
Category Footwear Footwear
Kahtoola MICROspikes
454 g

Traction spikes for icy and snowy trails. Fits most shoes.

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On Running Cloudultra Pro
262 g

Ultralight trail running shoe at 9.2 oz per shoe, designed for fast hiking and trail running

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Kahtoola MICROspikes vs On Running Cloudultra Pro: which should you buy?

If saving weight is your priority, the On Running Cloudultra Pro wins — at 262 g it is 192 g (42%) lighter than the Kahtoola MICROspikes (454 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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