The Born Primitive Men's Ridgeline Merino Thermal Top 240 is a heavyweight, cold-weather essential designed for superior warmth, durability, and performance in demanding conditions. Crafted with a dual-layer knit construction of Merino wool, durable polyester, and spandex, this base layer offers excellent moisture management, thermoregulation, and odor resistance. The ultra-soft fabric provides lasting comfort, while integrated thumb holes add extra coverage and keep sleeves in place when layering. Built for active hunters facing harsh environments, this base layer is an ideal foundation for cold-weather pursuits. FeaturesFabric: 54% Merino wool, 42% polyester, 4% spandex, 240 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: Dual-layer knit construction for enhanced strength ...