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Inov-8 Trailfly Ultra G 280 (Men's UK8) vs Inov-8 Trailfly Ultra G 300

Weight and specs compared for 2026 — and which one to choose.

Inov-8 Trailfly Ultra G 280 (Men's UK8) is the lighter option — 260 g lighter than the Inov-8 Trailfly Ultra G 300 (48% less weight). If grams matter to you, that is the one to beat.
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Spec Inov-8 Trailfly Ultra G 280 (Men's UK8) Inov-8 Trailfly Ultra G 300
Weight 280 g · 0.280 kg · 0.62 lb 540 g · 0.540 kg · 1.19 lb
Brand Inov-8 Inov-8
Category Footwear Footwear
Inov-8 Trailfly Ultra G 280 (Men's UK8)
280 g

Lightweight trail running shoe with Flyspeed nitrogen-infused foam. 280g, graphene grip outsole for technical terrain. Ultrarunning focused design

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Inov-8 Trailfly Ultra G 300
540 g

Graphene-enhanced trail shoe for ultra distances.

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Inov-8 Trailfly Ultra G 280 (Men's UK8) vs Inov-8 Trailfly Ultra G 300: which should you buy?

If saving weight is your priority, the Inov-8 Trailfly Ultra G 280 (Men's UK8) wins — at 280 g it is 260 g (48%) lighter than the Inov-8 Trailfly Ultra G 300 (540 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.

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