The Kids Thermal Underwear is a high-quality clothing option that is designed to provide warmth and comfort during the colder months. The singlet is made from merino wool, which is naturally breathable and moisture-wicking, ensuring a comfortable and restful day. The product is suitable for kids of all ages, and is particularly beneficial for those who spend a lot of time outdoors or in cold environments. The singlet is easy to care for and is machine-washable.