Features Enter your model number to make sure this fits. Berghaus most ventilated pack yet - evolving from the iconic free flow packs using mtnhaus body mapping Research Essentials can be organized and kept at hand with the multiple storage options top lid pocket, Zipped internal lid pocket and walking pole attachments Manage the load on your back with the height adjustable removable chest strap, top tension straps and compression straps Description Product Description Side compression strapsFront bungee systemTop tension strapsFreeflow air back systemHeight adjustable chest strapZipped hipbelt pocketsTop lid pocketsZipped internal lid pocket (30 liter)Hydration system compatibleBottle pocketsZipped front pocketsWalking pole/ice axe attachmentYKK zip