Original Dutch Army Base Layer Undershirts High Neck Thermal Insulation OliveThis Original Dutch Army base layer undershirt is designed to provide reliable thermal insulation and comfort in cold conditions. Made from lightweight and breathable materials, it effectively retains body heat while allowing moisture to escape, keeping you dry and comfortable during active use. Featuring a high neck design, this undershirt offers additional protection against wind and cold, making it ideal for layering under jackets or uniforms. The