Icebreaker Merino 200 Oasis LS Crew vs Ortovox 185 Rock'N'Wool Long Sleeve
Weight and specs compared for 2026 — and which one to choose.
100% merino wool long sleeve base layer with 200g/m² fabric weight. Flatlock seams, underarm gusset, and offset shoulder seams. Men's medium.
Full details →Mid-weight 100% merino long-sleeve base layer with body-mapped zones for warmth, breathability and odor control.
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Icebreaker Merino 200 Oasis LS Crew vs Ortovox 185 Rock'N'Wool Long Sleeve: which should you buy?
If saving weight is your priority, the Ortovox 185 Rock'N'Wool Long Sleeve wins — at 192 g it is 28 g (13%) lighter than the Icebreaker Merino 200 Oasis LS Crew (220 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.