Osage River Osceola Hiking Daypack Camping Backpack Made of highest quality material Manufacturer: Osage River Gear Osage river Osceola series Daypack - Olive/tan Main compartment with laptop sleeve that doubles as hydration bladder pouch Secondary compartment with multiple accessory pockets Mesh water bottle pockets Heavy-duty zippers with zipper pulls 420D Nylon + 1680D Polyester