On cold days, Merino wool keeps you warm, dry, and stink-free. These base layers—from Smartwool, Tracksmith, and other trusted brands—are great for runners.
Best base layers 2024: For men and women
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Merino Wool Base Layers For Running
Best Women's Base Layers for Winter Adventures (2024) – Bearfoot Theory
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Alpine Fit's premium women's merino wool baselayer t-neck top, made from responsibly sourced wool. Soft and breathable with natural odor resistance.
Women's Merino Wool Base Layer T-Neck Top | Alpine Fit Slate / XS / Wild Iris Fit
Merino wool base layers blended with yak wool – kora
8 Best Base Layers of 2024 (Tested and Reviewed)