The Born Primitive Men's Ridgeline Merino Thermal Top 165 is a lightweight, high-performance base layer designed for comfort, breathability, and versatility in cool to mild conditions. Made from a durable blend of Merino wool and polyester, this base layer delivers excellent moisture management, thermoregulation, and odor resistance. The ultra-soft fabric ensures all-day comfort, while integrated thumb holes provide extra coverage and keep sleeves secure when layering. Whether worn as a foundation in a layering system or as a standalone piece in milder weather, this top is built to perform. FeaturesFabric: 50% Merino wool, 50% polyester, 165 GSMDesign: Classic long-sleeve base layer with thumb holes for added protection and secure layeringComfort: Ultra-soft Merino wool for next-to-skin comfortPerformance: Thermo-regulating, moisture-wicking, quick-drying, and odor-resistant propertiesDurability: Reinforced polyester blend for improved resilience and long-lasting performanceFit: Ana...