Inov-8 TrailFly Zero V2 vs Merrell SpeedArc Matis
Weight and specs compared for 2026 — and which one to choose.
Ultralight minimalist trail running shoe with responsive midsole and aggressive tread pattern for technical terrain
Full details →Lightweight hiking shoe at 12.34oz per pair. Cushioned midsole for trail comfort.
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Inov-8 TrailFly Zero V2 vs Merrell SpeedArc Matis: which should you buy?
If saving weight is your priority, the Merrell SpeedArc Matis wins — at 175 g it is 72 g (29%) lighter than the Inov-8 TrailFly Zero V2 (247 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.