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Altra Timp 4 vs Arc'teryx Kopec Mid GTX
Weight and specs compared for 2026 — and which one to choose.
Arc'teryx Kopec Mid GTX is the lighter option — 280 g lighter than the Altra Timp 4 (45% less weight). If grams matter to you, that is the one to beat.
Arc'teryx Kopec Mid GTX
340 g
Lightweight do-it-all hiking boot with Gore-Tex and exceptional out-of-box comfort. Weight per shoe in men's size 9.
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Altra Timp 4 vs Arc'teryx Kopec Mid GTX: which should you buy?
If saving weight is your priority, the Arc'teryx Kopec Mid GTX wins — at 340 g it is 280 g (45%) lighter than the Altra Timp 4 (620 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.