The Flak Jacket is a consumable item that appears exclusively in Hungry Shark Evolution. It costs 100 coins, and absorbs damage from a mine explosion, but is destroyed in the process. An effective way to use them is to buy many of them so that you're protected from explosions. Up to 10 jackets can be purchased and used in one gameplay session.
Flak Jackets may not be equipped by Big Daddy (Dunkleosteus), Mr. Snappy (Mosasaurus) and Alan, Destroyer of Worlds as these creatures are immune to all explosion-causing mines in the game. Being inable to equip any items at all, Top-Secret Lab sharks such as the Electro Shark, Ice Shark and Robo Shark may not equip Flak Jackets either.
- Prior to the introduction of the Ultra Mine, Megalodon could not wear flak jackets since it did not need them, as it could consume all mines at that point of time.
- The Big Daddy has taken the title of being invincible to all mines as it is currently immune to all mine types. This title was previously held by Megalodon prior to the introduction of the Ultra Mine.
- While technically not an accessory, the flack jacket can be seen on the shark when equipped.