Hiking backpack childrens backpack suitable for childrens colour blue style sporty capacity 16 litres weight 03 kg height 44 cm width 24 cm depth 21 cm features chest strap reflective elements padded back internal pockets valuables pocket outside pockets mesh side pockets zip pocket additional fastenings walking pole holder straps ergonomic shoulder straps padded shoulder strap bag feature suitable as cabin luggage iata norm material syntheti