anatomically shaped removable back system from EVA moulding with alu braces | breathable padded and anatomically shaped shoulder and waist straps | 2 main compartments and side access to backpack | side and bottom compression straps | chest belt | fixation for ski, ice-axe and other equipment front zipper pocket| | high adjustable top lid with pocket | side mesh pockets | loops for equipment on top lid | water bladder spout holder | raincover | reflective points