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