The Womens Woolnet Hybrid Mock Neck by Aclima is a versatile and comfortable shirt designed for high-intensity activities. This shirt features a high collar and long sleeves, making it ideal for outdoor adventures. Reinforced elbows and stretchy rib-knitting on the shoulders ensure maximum comfort, especially when wearing a backpack. The neck zipper allows for efficient ventilation, while the combination of WarmWool at the front and WoolNet at the arms and back provides excellent moisture transport, ventilation, and low weight.  High collar and long sleeves for added warmth and protection Reinforced elbows for enhanced durability Stretchy rib-knitting on shoulders for comfort with backpack straps Neck zipper for easy and efficient ventilation WarmWool at the front for superior warmth WoolNet at the arms and back for excellent moisture management and breathability Ideal for high-intensity activities requiring good ventilation and low weight Materials 100% merino wool