Waterfly 3L Large Bum Bag with RFID Blocking: Practical, Hands-Free Storage for Travel and Outdoors

What it is and who it’s for

If you’re after a compact, hands-free solution for day-to-day errands, travel or light outdoor adventures, the Waterfly 3L Large Bum Bag aims to deliver. It’s a waist or crossbody style pack designed to keep essential items close at hand without weighing you down. It’s suitable for both men and women who value organisation on the move and prefer quick access rather than rummaging through a bag.

Design and materials

Constructed from hard-wearing water resistant nylon, the bag is built to handle daily use and the odd shower during travel or hiking. The back panel uses breathable mesh with vented grooves, which helps airflow and reduces heat build-up when worn for extended periods. While not a premium backpack, the material and build are aligned with everyday durability rather than performance-focused adventure gear.

Capacity and organisation

With a 3L capacity, it provides four external pockets and a second main compartment with a suitcase-style opening for easy access. Inside you’ll find three divider pockets to help separate keys, cards and cash. The layout prioritises quick reachability—great for travel, dog walking and city days where you don’t want to slow down looking for small items.

RFID protection and security

A notable feature is built-in RFID blocking technology paired with a hidden rear pocket. On paper this should help protect cards from contactless skimming, which can be reassuring for light travellers or daily commuters who carry multiple cards. It’s worth noting that RFID protection is a useful addition, but it doesn’t replace broader travel safety practices.

Comfort, fit and visibility

The pack includes adjustable fastening straps that expand or contract with load, aiming to stay stable while walking or hiking. Reflective details on the webbing improve night visibility, which is a sensible, if modest, safety touch for evening strolls or urban commutes. If you typically run light, this should stay relatively unobtrusive, if you tend to fill it to the brim, expect some expansion and a firmer silhouette.

Practical use cases and limitations

On the day-to-day, it’s convenient for errands, short trips or a gentle hike where you only need essentials. It won’t replace a larger rucksack or a dedicated travel pack if you’re packing clothes, water or bulky gear. If your needs lean toward more equipment, you’ll likely prefer a bigger solution. Also, no garment is completely weatherproof, while it’s water resistant, you may still want to guard sensitive electronics in heavy rain.

Before you buy: what to check

Consider how you’ll wear it most—waist versus crossbody—and whether the 3L capacity matches your typical kit. Check the comfort of the strap system on longer walks and test the accessibility of the main compartments. If RFID protection is a priority, verify that the pocket layout keeps commonly used cards within easy reach while still hidden from view.

How it compares to simpler or larger solutions

If you want minimal fuss and hands-free convenience, this bum bag offers a middle ground between a basic wallet on a belt and a larger daypack. For those prioritising portability and quick access in urban settings, it’s a sensible compromise. If you need more capacity or weather protection, a larger pack or a dedicated travel belt bag with more robust waterproofing might be more suitable.

What you’ll notice in use (practical example)

Imagine a weekend city break: your passport, cards and a phone fit neatly in the main compartments, while a compact snack and keys sit in the outer pockets. The reflective straps help you stay seen after dusk, and you won’t have to fish around through a bigger bag when you need to pay or snap a photo on the move.

FAQ

• Is RFID protection worth it for everyday use? It adds a layer of defence against contactless skimming on cards you carry close. If you value simplicity and don’t carry many contactless cards, it’s a reasonable feature to have.
• Can it be worn across the body? Yes, the design supports both waist and crossbody wear, which enhances versatility for different activities.
• Will it stay comfortable on long walks? The breathable back and adjustable straps help, but comfort will depend on how full you fill the bag and your body shape.

DECISION: Is it worth it?

It’s a solid pick if you prioritise compact, hands-free storage with practical organisation and RFID protection for everyday travel and light outdoor use. It may not suit those who need substantial carrying capacity or heavy-duty weather protection. If you want a mid-range, versatile bum bag that can handle daily life and short trips without fuss, this is worth considering.