Brooks Catamount Agil vs On Running Cloudultra Pro
Weight and specs compared for 2026 — and which one to choose.
Ultra-lightweight trail runner for speed-focused mountain running. Minimal drop geometry with aggressive TrailTack outsole for technical terrain.
Full details →Ultralight trail running shoe at 9.2 oz per shoe, designed for fast hiking and trail running
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Brooks Catamount Agil vs On Running Cloudultra Pro: which should you buy?
If saving weight is your priority, the Brooks Catamount Agil wins — at 226 g it is 36 g (14%) lighter than the On Running Cloudultra Pro (262 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.