High tenacity lightweight 210d polymide ripstop 600D lightweight abrasion resistant polyester  ERGOVENT ergonomic, ventilated carry system ADJUSTFIT adjustable carry system for a personalised fit TECFOAM performance comfort STREAMAIR ventilating channels ISOFLEX fabric for expanding storage ISOVENT performance Air Mesh Adjustfit carry system enables back length adjustment from 50cm to 62cmPFC free durable water repellent finish Top lid design with zipped lid pocket with 2L of storage  Internal hydration storage pocket and drinking tube retainerFront access zip  ISOFLEX expanding front and side pocketsLower zipped storage compartment with internal drawcord dividerAdjustable padded hip belt with stash pockets  Ergonomically designed shoulder strapsAdjustable load lifter strapsSide compression straps to adapt load Adjustable chest strap with emergency whistle Detachable raincoverZipped front pocketReflective detail to provide high visabilityWalking pole loops Made using recycled materials