Pacsafe Luggage Venturesafe 20L Adventure Day Pack, Cool Steel, Large 900X600D Nylon, 420D Dobby Exomesh slashguard in front, side and bottom panels. slashproof adjustable shoulder strap. snatchproof shoulder strap allows the bag to anchor to a secure fixture. tamperproof zippers Zippered main compartment, water bottle side mesh pockets, padded and adjustable shoulder and sternum straps, padded air mesh back support