The Hydra-Lit Backpack from Outdoor Products will put the fun back in to your next outdoor adventure. The large main zippered compartment has lots of room to store gear.  It comes with a 2-liter hydration bladder. This black unisex Hydration Backpack also includes a removable insulated sleeve that will also serve as a pack by itself for short hikes from the camp site. The front of the daypack and shoulder straps have a led light bar that can be activated easily by pushing a button on the shoulder strap. It fits an adult, senior, teen, or tween age groups.