The women's Arc'teryx Altra 62 pack brings comfort and stability to your mid to long range adventures. This workhorse combines an advanced, breathable harness with a sturdy frame and light weight. Highly breathable suspension system features a women specific shape and fit and creates a direct link between spine, suspension and bag. Suspension is bonded directly to the pack body for comfort and stability features twin removable aluminum stays and an HDPE framesheet for reliable load support. Anatomically shaped shoulder straps feature a core layer of perforated, air permeable foam lined with breathable mesh for next to the skin comfort. Shoulder straps adjust both vertically and horizontally for a personalized fit. Rotating Load Transfer DiscTM allows the hipbelt to pivot, following your natural movements for agility and stability. Thermoformed, triple density hipbelt promotes airflow and evaporative cooling. Removable and expandable top lid comes with 2 zippered compartments and a map pocket. Extendable collar with drawcord adds capacity to the main compartment for handling large loads. Top loading pack design also features a full length, inverted U zipper, allowing quick access to the main compartment through the front panel. Features a hydration reservoir sleeve with port and hose clip for the drinking tube reservoir sold separately. Front kangaroo pocket is perfect for stashing gear you may need in a hurry. 2 stretch mesh side pockets with elastic drawcords secure your water bottles or energy snacks. Compression straps and padded compression wings let you cinch down your load for jostle free carrying micro daisy chains provide more storage options. 100 denier Invista HD Mini RipstopTM nylon and 210 denier RipstormTM nylon fabric is light and strong siliconepolyurethane coating resists punctures and water.