

Waterfly
Waterfly Running Belt Bum Bag: Runner Marathon Jogging Men Women
Waterfly's Waterfly Running Belt Bum Bag: Runner Marathon Jogging Men Women is available on Amazon UK. Key specs: Colour: Black, Pack size: 1, Weight: 0.1543235834 pounds.
This Waterfly Running Belt Bum Bag is compact and lightweight at around 70g. Perfect for joggers who need to carry essentials without added bulk.
18.99 poundsPrice checked 1 Nov 2026
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Specifications
| Colour | Black |
|---|---|
| Pack size | 1 |
| Weight | 0.1543235834 pounds |
| Dimensions | 15.74 x 4.33 x 0.6 inches |
| Amazon Bestseller Rank | 760 |
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Prices and availability are accurate as of the date shown and may change. Always check the current price on Amazon UK before buying.
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Prices and availability are accurate as of the date shown and may change. Always check the current price on Amazon UK before buying.
As an Amazon Associate we earn from qualifying purchases.
Related guides
Buying advice for running belts
Frequently asked questions
Is this belt big enough for my phone and keys?
The pack size is listed as 1, so it should fit small items like a phone and keys.
How much does the belt weigh?
The weight of the belt is 0.1543235834 pounds, which is quite light.



