Unigear Tactical Hydration Backpack

Hands-free hydration....explore smarter, not harder.  Features: FDA-approved 2.5L TPU food-grade bladder, the Low-Profile fits for unmatched stability to reduce liquid movement. Breathable cushioned and ventilated back panel allows a comfortable fit and helps absorb impact in a crash. Heavy-duty construction, resistant to tears and abrasion. Adjustable shoulder/chest/waist straps and ventilated shoulder straps. Replaceable 2.5L bladder, Hands-free hose with bite valve.