Leatt 4.5 Hydra Chest Protector (Black/White, Adult) Impact tested and CE certified chest protector CE prEN 1621-3, Level 2 Impact tested and CE certified back protector CE EN 1621-2, Level 2 3 Liter (102 ounces) Hydration capacity CleanTech bladder has central rib that prevents bulging out at bottom 10 Liters of cargo space in backpack