My 20 year old backpack that has gone everywhere with me in my military career, including 3 combat tours. Not one rip or fray, all zippers work perfectly. : r/BuyItForLife
Camelbak Maximum BFM Black Tactical Hydration Backpack | eBay
CAMELBAK MAXIMUM GEAR BFM 500 NWT hydrate or die backpack Military gear $103.50 - PicClick
US Military Camelback Max Gear Hydration Backpack Digital Camo H2O Cordura BFM | eBay