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Darn Tough Micro Crew Lightweight vs Mammut Aenergy Trail Endurance Ultra

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

Darn Tough Micro Crew Lightweight is the lighter option — 220 g lighter than the Mammut Aenergy Trail Endurance Ultra (69% less weight). If grams matter to you, that is the one to beat.
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Spec Darn Tough Micro Crew Lightweight Mammut Aenergy Trail Endurance Ultra
Weight 100 g · 0.100 kg · 0.22 lb 320 g · 0.320 kg · 0.71 lb
Brand Darn Tough Mammut
Category Footwear Footwear
Darn Tough Micro Crew Lightweight
100 g

Lightweight merino wool socks for trail running. Per pair.

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Mammut Aenergy Trail Endurance Ultra
320 g

Lightweight trail running shoe designed for mid-to-long distance runs and hiking. Features Vibram Megagrip outsole and FLEXTRON PRO plate for technical terrain.

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Darn Tough Micro Crew Lightweight vs Mammut Aenergy Trail Endurance Ultra: which should you buy?

If saving weight is your priority, the Darn Tough Micro Crew Lightweight wins — at 100 g it is 220 g (69%) lighter than the Mammut Aenergy Trail Endurance Ultra (320 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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