Patagonia Capilene Cool Daily Crew vs REI Co-op Merino Wool Base Layer Crew

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

Patagonia Capilene Cool Daily Crew is the lighter option — 77 g lighter than the REI Co-op Merino Wool Base Layer Crew (41% less weight). If grams matter to you, that is the one to beat.

Spec	Patagonia Capilene Cool Daily Crew	REI Co-op Merino Wool Base Layer Crew
Weight	113 g · 0.113 kg · 0.25 lb	190 g · 0.190 kg · 0.42 lb
Brand	Patagonia	REI Co-op
Category	Clothing - Base Layer	Clothing - Base Layer

Patagonia Capilene Cool Daily Crew

113 g

Lightweight recycled polyester baselayer with smooth jersey knit. Odor control treatment, UPF 50+ sun protection, and quick-dry performance.

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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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Patagonia Capilene Cool Daily Crew vs REI Co-op Merino Wool Base Layer Crew: which should you buy?

If saving weight is your priority, the Patagonia Capilene Cool Daily Crew wins — at 113 g it is 77 g (41%) lighter than the REI Co-op Merino Wool Base Layer Crew (190 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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