Inov-8 TrailFly Pro vs Inov-8 TrailFly Zero V2
Weight and specs compared for 2026 — and which one to choose.
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Same kind of shoe, so weight is a fair tiebreaker.
Both are trail running shoes. The Inov-8 TrailFly Pro is 38 g a pair lighter than the Inov-8 TrailFly Zero V2.
What the extra 38 g of the Inov-8 TrailFly Zero V2 buys you
- A lower list price at Alpinetrek: £145.95 against £162.95.
What the Inov-8 TrailFly Pro offers besides the lower weight
- More cushioning under the heel (34 mm stack against 12 mm).
Weights are per pair as Alpinetrek lists them, usually for a medium size, so a few grams either way can come from the size they weighed. The other specs were checked on 19 October 2026 against Alpinetrek (Inov-8 TrailFly Pro) and Alpinetrek (Inov-8 TrailFly Zero V2). "Not stated" means the source does not mention it, not that the shoe lacks it. List prices are the full price shown by that source, not a sale price; where sources disagree we show none.
Choose the Inov-8 TrailFly Pro if…
…you move fast on trails, run some of it, and want the lightest and most flexible shoe; it gives little ankle support under a heavy pack.
Choose the Inov-8 TrailFly Zero V2 if…
…you move fast on trails, run some of it, and want the lightest and most flexible shoe; it gives little ankle support under a heavy pack.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
See where both rank against everything else in this category on the lightest footwear page, or browse the full gear weight database.