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Inov-8 Trailfly Ultra G 300 vs Scarpa Rebel 10 HD

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

Inov-8 Trailfly Ultra G 300 is the lighter option — 245 g lighter than the Scarpa Rebel 10 HD (31% less weight). If grams matter to you, that is the one to beat.
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Spec Inov-8 Trailfly Ultra G 300 Scarpa Rebel 10 HD
Weight 540 g · 0.540 kg · 1.19 lb 785 g · 0.785 kg · 1.73 lb
Brand Inov-8 Scarpa
Category Footwear Footwear
Inov-8 Trailfly Ultra G 300
540 g

Graphene-enhanced trail shoe for ultra distances.

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Scarpa Rebel 10 HD
785 g

Lightweight insulated mountaineering boot with Primaloft Gold Eco insulation (90% recycled), HDry waterproof lining, and Vibram Total Traction sole for technica...

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Inov-8 Trailfly Ultra G 300 vs Scarpa Rebel 10 HD: which should you buy?

If saving weight is your priority, the Inov-8 Trailfly Ultra G 300 wins — at 540 g it is 245 g (31%) lighter than the Scarpa Rebel 10 HD (785 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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