The U100 is a urban elite laptop backpack with built-in watertight & crushproof laptop case. It fits 15" laptops and up to 17" Apple and has TSA fast- top-loader laptop access, easy open push button latch, pressure EQ valve prevents vacuum lock, impact protected iPad®/Tablet front compartment, bottom expanding sling storage, load compression straps, 16 liter durable ballistic nylon pack, concealed water bottle pocket, ergonomic S-curve comfort back and is IP67 tested 3 ft underwater for 30 minutes.