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Salomon Thundercross vs Salomon X Ultra 4 GTX

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

Salomon Thundercross is the lighter option — 550 g lighter than the Salomon X Ultra 4 GTX (65% less weight). If grams matter to you, that is the one to beat.
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Spec Salomon Thundercross Salomon X Ultra 4 GTX
Weight 290 g · 0.290 kg · 0.64 lb 840 g · 0.840 kg · 1.85 lb
Brand Salomon Salomon
Category Footwear Footwear
Salomon Thundercross
290 g

Versatile trail running shoe with aggressive Contagrip lugs and a Quicklace system for grip and security on technical trails.

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Salomon X Ultra 4 GTX
840 g

Versatile Gore-Tex hiking shoe with Contagrip outsole.

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Salomon Thundercross vs Salomon X Ultra 4 GTX: which should you buy?

If saving weight is your priority, the Salomon Thundercross wins — at 290 g it is 550 g (65%) lighter than the Salomon X Ultra 4 GTX (840 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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