Highly weather and abrasion resistant materials stand up to even the extreme adventures Build out your pack for each trip: add and remove components to meet your needs and and reduce pack weight Fast-access side zipper allows you to find contents toward the middle and bottom of the pack Dedicated external tool garage for securing ice axes, skis, and more Hip Belt loops allow you to access hanging gear easily Hydration compatible design features reservoir sleeve with drink tube exit port (Reservoir sold separately) Underlid compression strap for hanging a climbing rope, jacket or other gear. When lid is removed, storm flap provides weather protection for pack contents Shoulder strap stretch pocket for easy access to a snack Interior zipped mesh pockets for storing small items