Big, but not too big, the Timbuk2 Heritage Vert Backpack has plenty of room for your stuff, including your water bottle and laptop. It also has exterior straps that can hold a skateboard or a yoga mat, as well as plenty of smaller interior pockets for toting your valuables around. Bottle opener on shoulder strap. Approximately 12.2" wide x 19.3" tall Padded compartment fits a 17" laptop Removable sternum straps provide support when you need it. Water bottle pocket Breathable back panel