LZ24 Cotopaxi Luzon 24L Backpack - Del Dia The Luzon 24L Backpack features a hardy yet lightweight shell and ultralight mesh shoulder straps for a comfy carry. Two mesh water bottle pockets and a zippered compartment for dirty clothes or shoes make this pack totally adventure-ready. Note: Each pack in this collection is one-of-a-kind. Packs are choosen at random. Be prepared for a total surprise.