icebreaker has the world’s best merino wool layering system. Our thermal underwear for women is made with superfine merino wool, sourced from our growers in New Zealand. Merino wool clothing is naturally breathable and wicks moisture from your skin, so you can stay feeling comfortable all day. Wear our women's base layers as thermal tops and leggings for warmth in even the most extreme cold, or under your winter clothes for cozy comfort. Merino regulates your body temperature in both heat and cold, and is naturally odor-resistant, so you can stay smelling fresh for longer. Layer with our women's tops
for cool-weather outdoor adventures or training.
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