Product details
Waterfly bumbag waist pack – purple adjustable fanny pack for hiking
Fancy a no-nonsense, hands-free way to carry the essentials on runs, walks or a day on the trail? The Waterfly ONJ12 bumbag is compact but properly practical — pockets where you need them, a comfy back panel and an adjustable belt that’ll fit most folk. It’s one of those little pieces of kit that just makes life easier, no faff.
Built for everyday outdoor use
The outer fabric is water-repellent nylon, so a spot of drizzle or a sweaty session won’t ruin your phone or wallet. The zips use SBS hardware for smoother action and less chance of jamming, and the main buckle is rated for tens of thousands of open/close cycles — even down to about -40°C. That’s reassuring if you’re out in proper cold weather.
Practical pockets and security
There are three separate zip compartments: two larger ones for phones, a power bank and a compact wallet, plus an internal zipped pocket perfect for keeping keys or cash tucked away. Four card slots stop cards scratching each other and make them easy to find, and there’s a key clip so you’re not rummaging around at the bottom of the bag.
- The front pocket is great for tissues, dog poo bags or quick-access bits and bobs.
- The internal zipped pocket gives extra security for passports or other small valuables.
- A headphone jack is included for music on the move.
Comfort and fit
The back panel has breathable, soft padding to cut down on sweat and rubbing during longer outings. The belt adjusts from 40cm up to 125cm and comes with a 30cm extender, so you can wear it on your waist, hip, chest or slung across your back — it’ll sit comfortably either way. An anti-slip fixing buckle keeps any spare strap neatly tucked away.
Who is this for?
If you only need to carry the essentials — phone, cards, keys and a small charger — and want to keep your hands free, this is a tidy option. It’s spot on for runners who hate bouncing pockets, day-hikers, cyclists, dog walkers and city explorers who don’t want the bother of a bulky rucksack. Perfect when you don’t want to faff about with more kit than you need.
Specifications and quick facts
- Brand: Waterfly
- Model: ONJ12
- Colour: Purple
- Material: Water-repellent nylon
- Dimensions: approx. 24 x 4 x 12 cm
- Weight: approx. 181 g
- Belt range: 40 – 125 cm (30 cm extender included)
- Features: three zip compartments, internal zip pocket, four card slots, key clip, headphone jack, breathable mesh back
Some folk might wonder if it’ll take larger phones or a chunky power bank — it comfortably fits most standard phones and compact powerbanks, but very large or heavily cased phones could be a snug fit. If you’re unsure, measure your phone against the stated dimensions. Overall, it’s a neat, reliable little bumbag that keeps active days simple and more enjoyable.










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