Trail Runner 4 Ultra from Silva is the head torch that has the absolutely longest burning time of Silva's Trail Runner series. With a maximum burn time of 90 + 18 hours, you can handle any race imaginable without worrying about the dark. The head torch comes with a double battery pack and a comfortable headband that is equipped with safety light for you to be visible in the dark. To minimize the weight on the head, the head torch is equipped with an extension cord that allows you to carry the battery pack in your pocket. You can easily extend your battery life by taking some extra AAA batteries with you. Whether you're running a charity race or the Ultravasa race, you can rely on Trail Runner 4 Ultra!