Featuring integrated heating elements, the Makita Heated Base Layer provides customizable warmth to keep you comfortable and focused on the task at hand. This base layer top is powered by Makita's CXT or LXT batteries (not includedcan be purchased separately), offering extended runtime and compatibility with Makita's extensive range of power tools. This convenient power source eliminates the need for bulky external batteries or cords, allowing for freedom of movement and flexibility on the job site. Constructed from high-quality materials, the Makita Heated Base Layer is built to withstand the rigors of daily wear and tear. Its durable design ensures long-lasting performance, providing reliable warmth and comfort season after season. Designed with the user in mind, this base layer top features a round neck for a comfortable fit and ease of layering under additional clothing. Its lightweight and breathable fabric wick away moisture to keep you dry and comfortable throughout the day.