Smartwool + Arbor Thermal Merino Base Layer Colorblock Crew
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Our Men's Classic Thermal Merino Base Layer Colorblock Crew features 100% Merino wool made with a flatlock seam construction and offset shoulder and side seams designed for enhanced comfort, breathability , thermoregulation, and odor resistance. This base layer brings consistent comfort, plus reliable warmth and durability, for every winter activity.









