The Durascent 30 mountaineering backpack for men designed by Deuter could make all the difference in high-altitude environments. A durable material, waterproof seams, and TPU-coated zippers, along with the new roll-top construction, protect the contents of the waterproof backpack in case of rain or splashes. Lightweight Waterproof Adjustable chest strap Adjustable sternum strap with signal whistle Front compartment with zipper Key holder Stowable hip belt Volume expansion with roll-top closure Ice axe holder SOS label Attachment loops for helmet holder (helmet holder available as an accessory) PFC-free Deuter Durascent 30 - Walking backpack - Men's | Hardloop