Smartwool - Men's Classic Thermal Merino Base Layer 1/4 Zip

The men's Classic Thermal Merino Base Layer 1/4 Zip is one of Smartwool's heaviest base layer tops and a great choice for a variety of cold weather activities.

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Smartwool Classic Thermal Merino 1/4 Zip - Women

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Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip – Killington Sports

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Men's Classic Thermal Merino Base Layer 1/4 Zip col. Grey

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