Burgundy thermal layers are popular among outdoor enthusiasts, hikers, and winter sports enthusiasts, as they provide both warmth and breathability. They are also commonly worn during colder months for everyday activities, such as commuting or running errands.The burgundy color adds a stylish touch to the thermal layer, making it a fashionable choice for those looking to stay warm in colder climates. It can be worn as a standalone piece or layered under other clothing for added warmth.