Quick Summary
The Mountain Warehouse Cannonball Kids 3 in 1 Waterproof Jacket is a kids coat in Blue (01) and size 5-6 Years. It is a 3-in-1 jacket with an outer waterproof shell, an inner lightweight jacket and a detachable hood.
The jacket also states taped seams, tricot lining, zipped pockets and waterproof testing to 2,000 mm. That combination makes the main buying checks the exact size, the 3-in-1 configuration and the stated waterproof specification.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Mountain Warehouse – the named brand for this kids jacket. |
| Product type | Kids 3 in 1 waterproof jacket – a coat with layered wear options. |
| Colour | Blue (01) – check the selected colour if you need a specific look. |
| Size | Kids Size 5-6 Years – confirm the fit against the child’s usual size. |
| 3-in-1 design | Outer waterproof shell, inner lightweight jacket and both together for warmth. |
| Hood | Detachable hood – useful if you want the option to remove it. |
| Pockets | Zipped pockets – a practical detail for keeping small items together. |
| Waterproof specification | Waterproof tested to 2,000 mm – compare this with the level of weather protection you want. |
| Seams | Taped seams – helps complete the jacket’s waterproof construction. |
| Lining | Tricot lining – a soft lining detail stated for the jacket. |
What to Compare Before Buying
- Size: This version is for Kids Size 5-6 Years. Check the child’s usual clothing size before choosing it.
- Configuration: The jacket is designed to be worn as the shell, the inner jacket or both together. Compare that flexibility with how you plan to use it.
- Weather protection: The jacket is waterproof tested to 2,000 mm with taped seams. Compare that figure with the level of rain protection you want from a kids coat.
- Hood and pockets: The hood is detachable and the pockets are zipped. Check whether those details suit the way the coat will be used.
Who This Product May Suit
This jacket may suit a child who needs one coat with more than one wearing option, especially where a waterproof outer layer and a removable inner jacket are both useful. The Blue (01) colour and 5-6 Years size should be checked carefully before choosing.
What Else You May Need
If you want the layered setup to work as intended, check that the child’s other clothing leaves enough room for the inner jacket when both layers are worn together.
Care, Cleaning and Storage
The description does not give cleaning or storage instructions, so follow the care guidance on the garment label before washing or storing it.
Common Buyer Questions
Is the hood removable?
Yes. The hood is detachable.
What does 3-in-1 mean here?
The jacket can be worn as the outer waterproof shell, the inner lightweight jacket or both together.
Before You Decide
Check the child’s size, the Blue (01) colour and the 3-in-1 layout before selecting an offer. If waterproof rating matters to your choice, the stated figure is 2,000 mm.









