Osprey Packs Stratos 36 Backpack (2016 Model), Harbor Blue, Medium/Large Nylon Imported Dual upper side compression/carry straps provide load stabilization and additional external carry options Ospreys unique Stow-on-the-Go system allows users to tuck away trekking poles quickly without having to remove their packs Dual side stretch mesh pockets with InsideOut compression allow for extra tension and more secure loads in the side pockets Dual zippered hipbelt pockets provide secure storage for often needed items Wide mouth access sleeping bag compartment with divider compresses and stores bulky loads