← Gear database

Outdoor Research Helium UL Jacket (men's) vs The North Face Summit L5 Fuseform

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

Outdoor Research Helium UL Jacket (men's) is the lighter option — 164 g lighter than the The North Face Summit L5 Fuseform (50% less weight). If grams matter to you, that is the one to beat.
shopping_cart Check today's price on Amazon
Spec Outdoor Research Helium UL Jacket (men's) The North Face Summit L5 Fuseform
Weight 161 g · 0.161 kg · 0.35 lb 325 g · 0.325 kg · 0.72 lb
Brand Outdoor Research The North Face
Category Clothing - Outer Layer Clothing - Outer Layer
Outdoor Research Helium UL Jacket (men's)
161 g

Minimalist rain jacket in 2.75-layer 15D Toray Dermizax fabric. Packs into its own pocket for easy stowing. 5.7 oz.

Full details →
The North Face Summit L5 Fuseform
325 g

Lightweight Gore-Tex Pro shell for alpine conditions.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Outdoor Research Helium UL Jacket (men's) vs The North Face Summit L5 Fuseform: which should you buy?

If saving weight is your priority, the Outdoor Research Helium UL Jacket (men's) wins — at 161 g it is 164 g (50%) 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.

More clothing - outer layer comparisons