Injinji Trail Midweight Mini-Crew vs On Cloudultra 2 (Men's US9)
Weight and specs compared for 2026 — and which one to choose.
Toe socks that prevent blisters between toes. Per pair.
Full details →Cushioned all-terrain trail shoe with Helion superfoam and Missiongrip. 289g, designed for ultrarunning and long-distance hiking on variable terrain
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Injinji Trail Midweight Mini-Crew vs On Cloudultra 2 (Men's US9): which should you buy?
If saving weight is your priority, the Injinji Trail Midweight Mini-Crew wins — at 85 g it is 204 g (71%) lighter than the On Cloudultra 2 (Men's US9) (289 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.