Quick Summary
The Mountain Warehouse Cannonball Kids 3-in-1 Waterproof Jacket is a children’s coat in Cobalt, sized 13y. It combines a waterproof outer shell with an inner lightweight jacket, and the two layers can be worn together or separately.
Useful details include taped seams, a detachable hood, zipped pockets, tricot lining and a stated 2,000 mm waterproof rating. The jacket is described as breathable and intended for winter walking.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Mountain Warehouse, for buyers looking for this specific make. |
| Product type | Kids 3-in-1 waterproof jacket, with outer shell and inner lightweight jacket. |
| Colour | Cobalt. |
| Size | 13y, so the selected size matters for fit. |
| Waterproof rating | 2,000 mm, which is the stated water protection figure for the fabric. |
| Seams | Taped seams, which covers stitched areas. |
| Hood | Detachable hood, giving three wear options with the layers. |
| Pockets | Zipped pockets for secure storage. |
| Lining | Tricot lining. |
What to Compare Before Buying
- Size: This version is 13y, so check the child’s required size before choosing.
- Layering options: The 3-in-1 format lets the shell and inner jacket be worn separately or together.
- Weather protection: The jacket has taped seams and a stated 2,000 mm waterproof rating, so compare that with the conditions it needs to handle.
- Hood preference: The hood is detachable, which changes the jacket’s layout for different wear preferences.
Before You Decide
Confirm the 13y size, the Cobalt colour and the 3-in-1 jacket layout before choosing an offer. If the detachable hood, taped seams and 2,000 mm waterproof rating matter to you, check that these are the features you want in a kids’ rain jacket.
Safe Use and Important Precautions
The jacket carries a 2-year warranty, and it is described as waterproof with a 2,000 mm rating. Follow the manufacturer’s care and wear guidance for the exact garment.









