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Free UK delivery · Free 30-day returns · sportium.co.uk@gmail.com





Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
AONIJIE's 5L running vest is a race-ready, unisex hydration backpack that includes a 1.5L water bladder and nine pockets while weighing just 190g for low-bounce comfort on fast runs.
The AONIJIE Running Vest Hydration Backpack pairs a featherweight design with practical storage and an included 1.5-liter reservoir so you can carry fluids and essentials without bulky load or excess movement. Built as a vest rather than a traditional pack, it sits close to the body to reduce sway and improve ventilation, making it suited to middle- and long-distance trail running, ultra training runs, and fast-paced hikes.
The vest shape, combined with adjustable shoulder, chest, and waist straps, keeps the load tight to your torso to minimize movement. Soft mesh cushioning on the back and straps increases breathability and prevents chafing over extended miles.
The 5-liter capacity is arranged across nine external pockets so you can keep bottles, gels, keys, and a phone within easy reach without digging into a main compartment. The pocket layout supports quick access to hydration and fuel while staying balanced against your back.
The bladder features a bite-and-pull valve and a quick-release leak-proof connector so you can hydrate hands-free and remove the reservoir fast for refills or cleaning. The bladder is sized for shorter to moderate outings where a balance of water and weight matters.
AONIJIE offers this vest in two sizes and the adjustable straps allow a wide range of body shapes to achieve a snug fit. Its feature set is optimized for running but also works well for cycling, day hikes, marathons, and fitness walking where lightweight hydration and fast access matter.
Who is this for: The AONIJIE 5L Running Vest Hydration Backpack is aimed at runners and outdoor athletes who want a lightweight, low-bounce hydration solution with ample quick-access storage. Choose it if you need a compact pack for mid-distance runs, training sessions, or fast hikes where breathability, secure fit, and easy access to fluids and fuel are priorities.
Q: Does the vest include a water bladder?
A: Yes — a 1.5L bladder with a bite valve and quick-release connector is included.
Q: Is this vest suitable for long-distance running?
A: Yes — designed for middle to long-distance use with breathable padding and anti-bounce straps.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
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