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Kahtoola NANOspikes vs Salomon X Ultra 4 Mid GTX

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

Kahtoola NANOspikes is the lighter option — 656 g lighter than the Salomon X Ultra 4 Mid GTX (70% less weight). If grams matter to you, that is the one to beat.
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Spec Kahtoola NANOspikes Salomon X Ultra 4 Mid GTX
Weight 284 g · 0.284 kg · 0.63 lb 940 g · 0.940 kg · 2.07 lb
Brand Kahtoola Salomon
Category Footwear Footwear
Kahtoola NANOspikes
284 g

Lightweight traction device for light snow and ice.

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Salomon X Ultra 4 Mid GTX
940 g

Waterproof mid-cut hiking boot with ankle support.

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Kahtoola NANOspikes vs Salomon X Ultra 4 Mid GTX: which should you buy?

If saving weight is your priority, the Kahtoola NANOspikes wins — at 284 g it is 656 g (70%) lighter than the Salomon X Ultra 4 Mid GTX (940 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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