The Patagonia Men's Merino 3 MW Zip-Neck is a merino wool base layer for all of your cold weather adventures. Merino wool (80%) is blended with Capilene (20%) to create a durable, wicking layer you can wear all day and into the night. Off-set seams throughout the garment reduce bulk and make it comfortable to wear a pack or harness over top. Merino is naturally odor-resistant so your buddies won't mind hanging out with you after the third day on the trail. When you get all steamed up, open up the 1/4 zip to quickly vent and regulate your temperature. Totally not how I expected to finish that sentence.
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