The Kari Traa Rose Half Zip transforms your layering game with premium 100% merino wool that works as hard as you do on every adventure. This women's base layer delivers exceptional temperature regulation and natural odor resistance through its ultra-fine 19.5 micron fibers, while the half-zip design lets you fine-tune ventilation as conditions change. The 4-way stretch construction with smart fabric mapping moves with your body whether you're skinning up a ridge or navigating technical terrain, while flatlock seams prevent chafing during long days in the mountains. More than just performance, this ethically-sourced merino base layer showcases beautiful Nordic-inspired design that connects you to Norwegian outdoor heritage, making it the perfect foundation piece for women who refuse to compromise on either function or style in their outdoor pursuits.