Exped Waterproof Rucksack Liner.
The sack within the pack. The oval base of these waterproof packliners fits the pack body of a backpack perfectly, ensuring full use of the pack,s volume without loss of space. Roll-top closure with quick release buckle for waterproof performance and double D-rings that allow the liner to be secured with a lock. Light grey PU inner coating for good overview of contents.