Arc'teryx Kopec Mid GTX vs Nike ACG Pegasus Trail (Men's US9)
Weight and specs compared for 2026 — and which one to choose.
Lightweight do-it-all hiking boot with Gore-Tex and exceptional out-of-box comfort. Weight per shoe in men's size 9.
Full details →Trail running shoe with terrain-ready design combining road speed and off-road grip. 295g, available April 2026, $140-155
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Arc'teryx Kopec Mid GTX vs Nike ACG Pegasus Trail (Men's US9): which should you buy?
If saving weight is your priority, the Nike ACG Pegasus Trail (Men's US9) wins — at 295 g it is 45 g (13%) lighter than the Arc'teryx Kopec Mid GTX (340 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.