Arc'teryx Alpha SL Jacket (men's) vs The North Face Summit L5 Fuseform
Weight and specs compared for 2026 — and which one to choose.
The lightest GORE-TEX PRO shell in the Arc'teryx range, designed for alpine climbing with helmet-compatible hood and minimalist construction.
Full details →Lightweight Gore-Tex Pro shell for alpine conditions.
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Arc'teryx Alpha SL Jacket (men's) vs The North Face Summit L5 Fuseform: which should you buy?
If saving weight is your priority, the Arc'teryx Alpha SL Jacket (men's) wins — at 227 g it is 98 g (30%) lighter than the The North Face Summit L5 Fuseform (325 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 clothing - outer layer page, or browse the full gear weight database.