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Hoka Kaha 3 GTX vs Inov-8 Trailfly Ultra G 300

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

Inov-8 Trailfly Ultra G 300 is the lighter option — 10 g lighter than the Hoka Kaha 3 GTX (2% less weight). If grams matter to you, that is the one to beat.
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Spec Hoka Kaha 3 GTX Inov-8 Trailfly Ultra G 300
Weight 550 g · 0.550 kg · 1.21 lb 540 g · 0.540 kg · 1.19 lb
Brand Hoka Inov-8
Category Footwear Footwear
Hoka Kaha 3 GTX
550 g

Premium hiking boot with Gore-Tex waterproofing and superior cushioning. Weight per shoe in men's size 9. Excellent support for long trails.

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Inov-8 Trailfly Ultra G 300
540 g

Graphene-enhanced trail shoe for ultra distances.

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Hoka Kaha 3 GTX vs Inov-8 Trailfly Ultra G 300: which should you buy?

If saving weight is your priority, the Inov-8 Trailfly Ultra G 300 wins — at 540 g it is 10 g (2%) lighter than the Hoka Kaha 3 GTX (550 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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