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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.
Maelstrom’s 20‑liter lightweight hydration hiking backpack includes a leak‑resistant 2L water bladder, multiple pockets, and adjustable straps for comfortable all‑day outdoor use.
Designed for day hikes, bike rides, and festival outings, this Maelstrom hydration pack combines a dedicated hydration system with organized storage and safety features. The pack weighs about 2 pounds, fits a 20L capacity, and balances breathable padding with reflective details so you can carry essentials and stay visible without sacrificing comfort.
The pack comes with a BPA‑free 2‑liter bladder that slides into a separate insulated sleeve to help keep fluids cool. It uses a push‑on straw tip and bite valve to prevent drips when idle, and the bladder is removable and upgradable to 3 liters if you need more capacity.
Storage is arranged to keep frequently used items accessible while larger gear stays protected in the main compartment. Multiple external pockets and a bottom tool pocket give quick access to essentials, and a helmet slot tucks away head protection without crushing other gear.
Maelstrom prioritized fit and ventilation with a 3D breathable padded back panel and adjustable chest and waist straps to stabilize load during motion. The lightweight construction and contoured straps reduce bounce, while reflective strips and a built‑in whistle add low‑light safety and signaling capability.
The bladder’s wide mouth allows straightforward cleaning and drying to prevent mold and odors. Remove the bladder after outings, rinse with warm water and mild soap, then hang to dry completely; its replaceable design also simplifies swapping in a new reservoir when needed.
Who is this for: The Maelstrom Lightweight Hydration Hiking Backpack is best for day hikers, trail runners, cyclists, and festival‑goers who want a compact yet organized pack with reliable hydration. It suits users who need a breathable, low‑bounce carry solution with quick‑reach pockets and modest capacity for essentials rather than heavy overnight loads.
Q: Can the bladder be upgraded to a larger capacity?
A: Yes. The included 2L bladder is replaceable and the sleeve supports up to a 3L reservoir.
Q: Is the hydration hose leakproof when not in use?
A: The pack uses a push‑on straw tip plus bite valve to reduce leaking when idle and allow high flow when drinking.
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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