bike helmet with detachable brim navy blue Troy Lee Designs GP Shutter S Dry comfort liner and cheek pads absorb sweat and provide ventilation DaBrim Cycling Classic Helmet Visor

Anti-theft lock buckle with straps at the bottom of the bag, can lock the laptop bag on your chair when you are in restaurants/cafes/parks/theaters in case of being stolen

There's no reason to lug an enormous travel backpack around the tube when you can cope with a slimline option that just holds the essentials, so think about what you're willing to carry and how much weight you realistically want to be carrying

There is a flap at the base of the main compartment that can be used to create a shelf separating the top of bottom of the main compartment in order to hold a large sleeping bag or a bear canister, but the interior webbing can also be un-threaded if you prefer having a continuous open space

The rules state that everyone in the lock must wear a life jacket