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Icebreaker 150 Zone Long Sleeve vs Ridge Merino Aspect Crew

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

Icebreaker 150 Zone Long Sleeve is the lighter option — 54 g lighter than the Ridge Merino Aspect Crew (26% less weight). If grams matter to you, that is the one to beat.
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Spec Icebreaker 150 Zone Long Sleeve Ridge Merino Aspect Crew
Weight 150 g · 0.150 kg · 0.33 lb 204 g · 0.204 kg · 0.45 lb
Brand Icebreaker Ridge Merino
Category Clothing - Base Layer Clothing - Base Layer
Icebreaker 150 Zone Long Sleeve
150 g

Ultralight merino base layer for high-output activities.

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Ridge Merino Aspect Crew
204 g

Merino wool base layer at 180 g/m². Sweet spot of warmth for everyday winter use.

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Icebreaker 150 Zone Long Sleeve vs Ridge Merino Aspect Crew: which should you buy?

If saving weight is your priority, the Icebreaker 150 Zone Long Sleeve wins — at 150 g it is 54 g (26%) lighter than the Ridge Merino Aspect Crew (204 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 - base layer page, or browse the full gear weight database.

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