Quick Summary
The Hotfiary Kids Boys Thermal Base Layer Set is a yellow thermal top and leggings set in 6-7Y. It is made from 95% polyester and 5% spandex with a soft brushed fleece lining, and it is described as quick-dry and designed to help lock in body heat without bulky weight.
The set also uses 4-way stretch fabric and flatlock seams. That combination points to a close-fitting underlayer that stays comfortable under sports kit or as a standalone thermal layer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Hotfiary. Helps confirm the exact range. |
| Product type | Kids boys thermal base layer set with top and leggings. |
| Colour | Yellow. Check the selected colour before choosing. |
| Size | 6-7Y. Make sure this matches the child’s current size. |
| Fabric | 95% polyester and 5% spandex. |
| Lining | Soft brushed fleece lining. |
| Construction | 4-way stretch fabric with 4-needle flatlock seams. |
| Set format | Thermal shirts and leggings set. |
What to Compare Before Buying
- Size: The set is marked 6-7Y, so compare that with the child’s measurements and the fit you want under sports clothing.
- Colour: Yellow is the stated colour, and the same range is offered in other colours.
- Fabric blend: The 95% polyester and 5% spandex blend gives the set its stated stretch and fleece feel.
- Use as an underlayer: This is a thermal base layer set, so check that you want a snug layer rather than a looser top.
What Else You May Need
The set is a thermal underlayer, so you will still need the outer sportswear or clothing you plan to wear over it.
Before You Decide
Check the 6-7Y size, the yellow colour and the top-and-leggings set format before choosing an offer. If you need a different colour or a different size band, pick the matching variant. Make sure the fitted base-layer style suits the way it will be worn.





