Trekking rucksacks Features: side-access to main compartment, the wearer can take gears cket, tube tunnel, h2o woven lael, external tube hook, ready for drinking system Earphone outlet for music fans, heavy padded shoulder straps and hip belts, transfers the load eqully to every point, makes back-packing an eay and comfortable job;ergonomic-shaped aluminum bands, elastic bu not limpsy under high pressure High quality bucklesfrom "duraflex" or "itw" or "nifco"etc, with fashional designs fitting youngsters Elegant and good looking nylon webbing, whose colors in good combination with other parts To be advice