Women's backpack Osprey Sirrus 24 II. -Adjustable AirSpeed™ ventilated trampoline suspended mesh backpanel-Adjustable torso length-Designed for Women-Integrated & detachable raincover-Internal hydration sleeve-Internal key attachment clip-Side compression straps-Single ice axe loop-Sternum strap with emergency whistle-Stow-on-the-Go™ trekking pole attachment-Twin zippered hip belt pockets-Vertical centred zippered pocket-Zippered panel access