https://journeyedwaynorth.wordpress.com/expedition-backpacks/expedition-backpacks-gray/
Expedition BackpacksGray
Side compression straps and multiple elastic bands to secure sleeping bag, pad, or tents ; bottom and top bungee stash storage for jackets, shoes, or rope
Dual stretch mesh side pockets hold water bottle snugly or provide access to snacks
Waist straps and check straps with buckles for securing the backpack.
Sternum strap with a whistle buckle
Keeps shoulder straps centered on shoulders.
Integrated rain cover stows inside an external vertical zip pocket, which doubles as an accessory pocket.