Versatile nylon hiking backpack from Osprey. It features a chest strap with a signal whistle and removable hip belts. An ergonomically shaped back system with an adjustable back panel made of tensioned mesh ensures comfortable wear during all activities. The spacious main compartment is quickly accessible via a zipper. Inside the main compartment, there are zippered pockets as well as an internal security pocket. Additional zippered pockets on the backpack provide extra storage space. The backpack is also compatible with the Daylite series.