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Icebreaker Merino 200 Oasis Crewe (men's M) vs Ortovox 185 Merino Rock'n'Wool

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

Ortovox 185 Merino Rock'n'Wool is the lighter option — 32 g lighter than the Icebreaker Merino 200 Oasis Crewe (men's M) (15% less weight). If grams matter to you, that is the one to beat.
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Spec Icebreaker Merino 200 Oasis Crewe (men's M) Ortovox 185 Merino Rock'n'Wool
Weight 219 g · 0.219 kg · 0.48 lb 187 g · 0.187 kg · 0.41 lb
Brand Icebreaker Ortovox
Category Clothing - Base Layer Clothing - Base Layer
Icebreaker Merino 200 Oasis Crewe (men's M)
219 g

Midweight 200 g/m² merino wool long-sleeve base layer with natural odor resistance, moisture management, and next-to-skin softness.

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Ortovox 185 Merino Rock'n'Wool
187 g

Merino wool base layer at 6.6 oz. Balances warmth and weight effectively.

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Icebreaker Merino 200 Oasis Crewe (men's M) vs Ortovox 185 Merino Rock'n'Wool: which should you buy?

If saving weight is your priority, the Ortovox 185 Merino Rock'n'Wool wins — at 187 g it is 32 g (15%) lighter than the Icebreaker Merino 200 Oasis Crewe (men's M) (219 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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