Our first dedicated trail running sock with a high-tech ergonomic construction – for max comfort and protection. Materials & Transparency Materials Merino Ultra Sock: Dedicated Trail Running Sock | On Key features - Weight: Noneg - Made from merino wool and recycled nylon - Open mesh channels for ventilation - Anti-slip underfoot tech - Support on arch and upper heel - Reflective yarn on cuff - Ergonomic toe construction - Zonal terry cushioning - Merino wool helps regulate heat
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