Hiking backpack childrens backpack suitable for childrens colour turquoise style sporty capacity 12 litres weight 053 kg height 50 cm width 28 cm depth 25 cm features reflective elements address label hydration compatible chest strap padded back outside pockets lid pocket mesh side pockets additional fastenings walking pole holder straps padded hip belt ergonomic shoulder straps padded shoulder strap bag feature suitable as cabin luggage iata nor