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Icebreaker 260 Tech Long Sleeve vs REI Co-op Merino Wool Base Layer Crew

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

REI Co-op Merino Wool Base Layer Crew is the lighter option — 40 g lighter than the Icebreaker 260 Tech Long Sleeve (17% less weight). If grams matter to you, that is the one to beat.
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Spec Icebreaker 260 Tech Long Sleeve REI Co-op Merino Wool Base Layer Crew
Weight 230 g · 0.230 kg · 0.51 lb 190 g · 0.190 kg · 0.42 lb
Brand Icebreaker REI Co-op
Category Clothing - Base Layer Clothing - Base Layer
Icebreaker 260 Tech Long Sleeve
230 g

Midweight merino base layer for cold conditions.

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REI Co-op Merino Wool Base Layer Crew
190 g

Budget-friendly merino wool base layer for backpacking.

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Icebreaker 260 Tech Long Sleeve vs REI Co-op Merino Wool Base Layer Crew: which should you buy?

If saving weight is your priority, the REI Co-op Merino Wool Base Layer Crew wins — at 190 g it is 40 g (17%) lighter than the Icebreaker 260 Tech Long Sleeve (230 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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