On Cloudrock Mid Waterproof vs Scarpa Alien Ultra LE
Weight and specs compared for 2026 — and which one to choose.
Lightweight waterproof mid-cut hiking boot with Cloudfoam cushioning and Missiongrip rubber outsole. Designed for mixed terrain day hiking with responsive suppo...
Full details →Carbon-plated trail running shoe with Pebax propulsion plate and integrated gaiter, designed for long alpine distances with Vibram Megagrip outsole and Flow Arc...
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On Cloudrock Mid Waterproof vs Scarpa Alien Ultra LE: which should you buy?
If saving weight is your priority, the On Cloudrock Mid Waterproof wins — at 441 g it is 149 g (25%) lighter than the Scarpa Alien Ultra LE (590 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.