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Injinji Trail Midweight Mini-Crew vs On Running Cloudultra 3

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

Injinji Trail Midweight Mini-Crew is the lighter option — 210 g lighter than the On Running Cloudultra 3 (71% less weight). If grams matter to you, that is the one to beat.
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Spec Injinji Trail Midweight Mini-Crew On Running Cloudultra 3
Weight 85 g · 0.085 kg · 0.19 lb 295 g · 0.295 kg · 0.65 lb
Brand Injinji On Running
Category Footwear Footwear
Injinji Trail Midweight Mini-Crew
85 g

Toe socks that prevent blisters between toes. Per pair.

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On Running Cloudultra 3
295 g

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

Full details →

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Injinji Trail Midweight Mini-Crew vs On Running Cloudultra 3: which should you buy?

If saving weight is your priority, the Injinji Trail Midweight Mini-Crew wins — at 85 g it is 210 g (71%) 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.

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