When your child seems to be growing out of their clothes faster than they change socks, it's nice if at least a backpack can serve longer. This pack is large enough for adults, and its back panel suits users from a young age. The manufacturer recommends this pack for cargo weights between 6.8 and 13.6 kg. The pack's carrying system easily adjusts to back lengths between 36 and 46 cm. To measure back length, measure the height difference between the iliac crest, and the most protruding neck vertebrae along the back. - Fabric: 600 denier Bluesign Recycled Nylon Packcloth - Fit-on-the-Fly adjustable waist belt for proper carrying action - A pocket for Osprey Hydraulics reservoirs (not included) as well as a port for the hose - AirSpeed back panel is more airy than traditional back panels - Lift handle at the top - Side compression straps - Ice axe / pole holder - Chest strap with integrated whistle on the buckle - Rain cover included: Osprey size L cover The surface fabric has been im