Patagonia Wool Long Underwear

Introducing Merino Air™ Baselayer

Patagonia Wool Long Underwear

Lightweight technical performance seamlessly knit with responsible sourcing. Fine merino wool from our regenerative sheep grazing program in the Patagonia region is spun using a proprietary process that increases the yarn’s heat-trapping ability. It’s then blended with 100%-recycled Capilene® po...

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