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An innovative, ultra-light, efficient system for fast-and-light day hikes and long treks, the PackFlask™ puts hydration right where you want it. Securely attach it to your pack harness for hands-free use. A stretch mesh pouch secures the bottle and — without the flask — carries a phone, snacks, or map. The bottle is light, designed to ride comfortably, and collapses when empty for easy packing. Its leakproof self-sealing nozzle delivers high-flow hydration, and a dust cover keeps it clean.
Instant Access
Stretch Mesh Pouch attaches to your pack harness and securely holds the bottle for hands-free hydration
FILTER COMPATIBLE
Attach it to most 42mm threaded water filters to create a packable squeeze system.
PACKABLE
Sized for easy integration with the pouch, the empty PackFlask™ bottle packs small — just flatten, roll, and stash it away.
DUST COVER
Protects the nozzle from dust, mud, dirty hands and bacteria. Quickly opens and closes with a single-handed flip.
LIGHT AND TOUGH
Lighter than traditional bottles, and made of durable TPU with RF-welded seams.
INCLUDED BACKFLUSH ADAPTER
Plugs into filter valve and threads onto a bottle of clean water for backflushing the filter to restore flow rate.
- Filtration: 28mm filter kit compatible
- Capacity: 500 ml
- Weight: 79 g
- Dimensions: 220 mm x 85 mm
- Material: TPU, PP, Silicone, POM, TPE, Polyester, EVA, Nylon
| Order Value | Service | Estimated Delivery | Cost |
|---|---|---|---|
| Under £39.99 | Royal Mail Tracked | 2–3 working days from dispatch | £4.99 |
| £39.99 and over | Royal Mail Tracked | 2–3 working days from dispatch | FREE |
| Any order — Express | Royal Mail Tracked 24hr / Parcel Force 24hr | Next working day from dispatch | £6.99 |
| Bikes | Parcel Force 48hr Signed For | 2 working days from dispatch | FREE |
Delivery times shown are from dispatch, not from the point of ordering. As we source products from a range of suppliers, lead times can vary — please check the product page, your cart, or your order confirmation for the most accurate estimate for this item.
Some remote UK postcodes (Highlands, Islands) may carry a courier surcharge on larger orders — we will always contact you before applying any additional charge.
Questions? Email sales@cyclestore.co.uk with your order number.
Terms and conditions:
- Price match must take into account any shipping charges applicable.
- Our price match promise only applies to online retailers, However this does not include auction websites such as eBay or non-UK based competitors or websites not operating secure (SSL) payment systems.
- Item must be in stock with the competitor and ourselves
- We reserve the right to refuse a price match for any other reason not previously mentioned at any time.