On Running Cloudultra 2 Trail Shoe vs Topo Athletic Ultraventure 4
Weight and specs compared for 2026 — and which one to choose.
Trail running shoe at 289g per shoe with Helion superfoam and Missiongrip tread, versatile for both ultrarunning and hiking.
Check price Full details →Max-cushion trail shoe with a roomy toe box, 5mm drop and Vibram Megagrip outsole for long-distance hikes.
Check price Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
On Running Cloudultra 2 Trail Shoe vs Topo Athletic Ultraventure 4: which should you buy?
If saving weight is your priority, the Topo Athletic Ultraventure 4 wins — at 285 g it is 4 g (1%) lighter than the On Running Cloudultra 2 Trail Shoe (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.