Tucked inside a pocket the size of a dinner plate is a fully functional backpack! Our friends at Exped have designed an outstanding, extremely lightweight (11.6 oz!) backpack for all your TrailblazerGirl adventures whether they are in the wilderness or urban. The Summit Lite 25 has the clean lines and details that Swiss design embodies. With 25 liters of storage (hence the 25 in the name), the large main compartment is very easily accessible through the wide mouth opening. The lid serves a dual purpose as the pouch to hold the backpack when not in use as well as a pocket to hold smaller items that you need to have handy. Also inside the main compartment is a generous sized pocket for holding a water bladder with a hidden opening at the top of the pack for sliding the bite valve tube outside. There are numerous external attachment points for all your bits and bobs, thanks to two daisy chains and various loop attachments. The stretch side pocket is ideal for your water bottle, even oversized ones, umbrella, or other items you want to get to quickly. Shoulder straps are well placed and comfortable, with a breathable material, chest strap, and removable hip strap. Durability, great design, and a next to nothing weight, the Exped Summit Lite 25 is an indispensable pack!