Icebreaker Merino 200 Oasis Crewe (men's M) vs Icebreaker Merino 200 Oasis LS Crew
Weight and specs compared for 2026 — and which one to choose.
Midweight 200 g/m² merino wool long-sleeve base layer with natural odor resistance, moisture management, and next-to-skin softness.
100% merino wool long sleeve base layer with 200g/m² fabric weight. Flatlock seams, underarm gusset, and offset shoulder seams. Men's medium.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Icebreaker Merino 200 Oasis Crewe (men's M) vs Icebreaker Merino 200 Oasis LS Crew: which should you buy?
If saving weight is your priority, the Icebreaker Merino 200 Oasis Crewe (men's M) wins — at 219 g it is 1 g (0%) 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.