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W's Basis Midweight Merino Half Zip

Magnet Heather

Built with an exclusive merino blend, this midweight half zip keeps you charging outdoors, even when the winter temps try to hold you back.

The Basis Midweight Merino Half Zip is unlike any other when it comes to go-to baselayer warmth and breathability on the chilliest days. Built with a proprietary textile developed exclusively for Stio that interweaves merino wool with synthetic filaments, this half zip offers stretch comfort and serves as both an extra layer during cold lift laps or on its own for off-season trail runs.

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