Designed for lightweight travel and everyday use, the JWP PACK 18 is very roomy yet has an extremely compact packed size.There are two mesh side pockets, so your water bottle, snack bars etc. are always close to hand when you need a quick boost of energy. Valuables like your wallet, phone and keys can be safely stashed in the front pocket.The internal pocket provides an additional packing option for small items and doubles as a stow pouch for the pack itself. So you can keep it in your travel bag or desk drawer until you need it.