The Osprey Jet 18 is a great first pack for young adventurers ready to carry their own day-hiking essentials (age 8+). The AirScape backpanel makes it comfortable to carry and adds ventilation. Other features include dual stretch mesh side pockets, large front mesh pocket, small external zippered pocket and an external reservoir sleeve (reservoir sold separately). This pack also uses GRS certified recycled materials and a PFC free DWR.