
SOURCE WXP 3-Litre Hydration Bladder — Black
SOURCE
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The WXP is SOURCE's reference hydration bladder, with a 3-litre capacity designed for extended outings: hunting, patrolling, demanding hikes or field training where resupply is not an option. The bladder body is always green, while the tube, cap and bite valve may vary in shade between production batches — worth knowing for anyone who colour-matches their kit.
The bite valve features a locking closure that prevents accidental opening during movement: you do not need to shut off the flow after every sip, yet the bladder will not leak if compressed inside a pack or under a vest. This is a considered balance between immediate access and passive security that sets this type of closure apart from simple bite-and-drink valves, which require the user to remember to lock the tube before stowing the gear.
At 3 litres, the WXP covers a full day of hydration under moderate-to-high exertion without adding meaningful weight to a base pack setup. The bladder slides into the hydration sleeve of any compatible system and can be removed for filling and cleaning without having to unload the entire pack.
Key features
- A 3-litre capacity sufficient for a full operational day without resupply.
- Locking bite valve: no accidental leaks if the bladder is compressed or inverted.
- Compatible with any pack or plate carrier that has a dedicated hydration bladder compartment.
- Bladder body is green regardless of the colour variant of the accessories — useful to know before purchasing.
- Easy access for filling and cleaning without dismantling the carry system.
In the box
- SOURCE WXP 3-litre hydration bladder
- Delivery tube with locking bite valve





