Blank. Baja Hydration Pack. Hit the road or trail with this sleek, versatile pack that keeps gear organized and you fully hydrated. 600 denier poly PU2/420 denier dobby poly PU2/400 denier nylon PU2. 70 oz/2.0L HYDRAPAK reservoir bladder and drink system. Air Flow design profile pack with separate hydration pocket. Internal top drop-in digital media / audio pocket with headphone exit port. Large multi-use main compartment with interior expandable mesh pocket. Dual side mesh accessory pockets. Adjustable padded shoulder straps with adjustable sternum strap. Deluxe back padding with air flow channels for cooling comfort. Capacity: 1296 cubic inch / 21L.