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Made from incredibly soft merino wool for natural stretch and warmth in cold weather, the women's VERTEX LS Half Zip CRYSTALLINE can be worn as a midweight base layer or warm mid layer. This high-performing merino top is perfect for seasonal trail running in cool weather or for mid-winter skiing days—with enough style for the apres hour. Merino wool fibers are naturally breathable, odor-resistant, and warm, helping to keep you in your comfort zone wherever your adventures take you. icebreaker's half-zip design lets you easily adjust to changing temperatures. A droptail hem offers additional coverage. Flatlock shoulder seams prevent chafing when you’re wearing a backpack.
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