A women s midweight baselayer crew designed for prolonged all-round backcountry use, the Satoro AR employs the advanced fabric technology of Nucliex(TM) STR 180 Merino wool. Each Nucliex(TM) yarn is created by wrapping Merino fibres around a nylon filament to combine the natural comfort, efficiency and odour resistance of wool with the durability of the nylon core. Elastane fibres maintain the next-to-skin fit for maximum thermal efficiency and efficient moisture transfer. Features: Breathable Great warmth-to-weight ratio Warm-when-wet Merrow stitch seam construction reduces seam size Merino wool adds comfort and warmth Elastane helps maintain shape when wet Gusseted underarms Articulated sleeves Crew neck Materials: Nucliex(TM) STR - 180 Nylon Core Spun Merino - 81% Merino wool, 12% nylon, 7% elastane