The Outlander™ 4 is geared-up with a 3.0L Elite™ hydration bladder with a Slide-Seal™ top for easier filling. HYDRAPAK ELITE™ 3.0 L BLADDER. High-flow Rocket™ bite valve self seals after each sip. Size: Multi size adjustable: M-XL, Adult (Approx Chest 84-110cm).
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