The main material in 260 g/m² merino wool and a few percent elastane keeps you warm and offers stretch. Merino mesh in the back and arms ventilates exactly where you need it, while panels in merino wool and polyester provide good moisture transport and durability.
Material: 97% wool (merino), 3% elastane - 260 g/m². Mesh: 99% wool (merino), 1% elastane - 180 g/m². Panels: 78% wool (merino), 22% polyester - 230 g/m²