Quick Summary
The Heatwave Thermalwear girls thermal base layer set is a long sleeve top and bottom set for children in Marl Grey, size 12-13 years. It is presented as a winter layering option for wearing under everyday clothing or as part of cold-weather outfits.
The set is described as stretchy and lightweight, with cotton content that includes 88% cotton and 12% polyester in Marl Grey. That makes the colour choice and size especially important when selecting the right option.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Girls thermal base layer set with a long sleeve top and bottom. |
| Colour | Marl Grey. |
| Size | 12-13 years. |
| Fabric content | Marl Grey is 88% cotton and 12% polyester. |
| Set format | Top and bottom set, so check that this is the format you need. |
What to Compare Before Buying
- Size: This version is 12-13 years. Compare that with the child’s current clothing size and preferred fit.
- Colour: The set is Marl Grey. Check that this is the colour you want for layering or matching other winter clothing.
- Set format: It includes a long sleeve top and bottom. Confirm that a full base layer set is what you are looking for.
- Fabric blend: Marl Grey uses 88% cotton and 12% polyester. Compare the fabric mix with the feel and care preferences you have in mind.
Before You Decide
Confirm the size, colour and set format before choosing an offer. This version is the Marl Grey 12-13 years girls thermal base layer set, so it is worth checking that the fit and colour match the child’s winter layering needs.






