Trekking backpack, main compartment with removable divider to base compartment which has separate zip access, hydration compatible sleeve in main compartment, external zipped accessory pocket in front panel, ice axe or walking pole accessory fittings, zipped zoom side pockets, side bottle pockets, twin side compression straps, inner zipped mesh pocket, ABS adjustable padded back system, padded shoulder straps and hip wings with zipped accessory pockets.