Quick Summary
This LNFINTDO boys’ thermal underwear set contains a long-sleeved top and full-length leggings in black, listed for ages 11-12 years. The fabric is 215 GSM, made from 90% polyester and 10% elastane, with four-way stretch.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Set | One long-sleeved top and one pair of full-length leggings. |
| Fabric | 90% polyester and 10% elastane, with four-way stretch. |
| Fabric weight | 215 GSM. |
| Size and colour | 11-12 years, black. Check garment measurements or the size guide, if available, against the child’s measurements. |
| Construction | Flatlock seams, with a double-stitched crew neck and cuffs. |
| Fabric properties | Described as breathable, moisture-wicking and quick-drying. |
What to Compare Before Buying
- Fit: The set has a form-fitting cut intended to sit under other clothing. Check garment measurements or the size guide, if available, rather than relying on age alone.
- Layering: Consider whether both a long-sleeved top and full-length leggings suit the clothing they will be worn beneath.
- Fabric and care: The polyester-elastane blend has four-way stretch. The stated care guidance is machine washing on a cool cycle.
Who This Product May Suit
The set is described for children’s cold-weather activities including football, skiing, running and ice skating. The listing also mentions wearing it beneath school or everyday clothing. These are suggested uses, not a guarantee of warmth or suitability for particular weather conditions.
What Is Included
The set comprises one long-sleeved base layer top and one pair of full-length leggings.
Care, Cleaning and Storage
Machine wash on a cool cycle, as stated for this set. Follow any care guidance on the garment label.
Before You Decide
Check that the size is suitable, that the two-piece set matches the intended layers, and that the cool-cycle care instruction fits your laundry routine.









