The Octave All In One Thermal Underwear is a stylish and comfortable set of long johns designed for men. Made from a warm cotton blend material, these white thermal underwear feature a practical design that includes thermal properties to keep you cosy and comfortable. The XL size ensures a comfortable fit, while the machine washable fabric makes for easy care and maintenance. Perfect for staying warm during the colder months, these Octave long johns are a must-have addition to any man's wardrobe.