The Ascend Current 4L hydration pack is a hiking day backpack designed for backpacking activities. With a sleek brown color and a 4L capacity, this pack is perfect for carrying water and essentials while on the trails. The pack does not come with a water bladder, so users can customize their hydration system by adding their preferred hydration accessories. The Ascend brand ensures quality and durability, making this hydration pack a reliable choice for outdoor adventures.