Quick Summary
The adidas Boys Ultimate 365 Adjustable Pants are black trousers for boys aged 11-12 years. They have a regular fit, a half-elasticised waistband and an adjustable waist, which makes the size choice important before buying.
The main body material is 100% polyester, including recycled polyester in the main material and pockets. The pants also use right-hand twill construction and knit fabric.
Key Details
| Detail | Verified information and buyer relevance | |
|---|---|---|
| Brand | adidas | |
| Product type | Boys pants | |
| Model line | Ultimate 365 | |
| Colour | Black | |
| Age range | 11-12 years | This is the stated size range, so it is worth checking against the intended wearer before choosing an offer. |
| Fit | Regular fit | |
| Waist | Half-elasticised waistband with adjustable waist | Useful if a more adaptable waistband is important. |
| Main material | 100% polyester, including recycled polyester | |
| Pockets material | 100% polyester, including recycled polyester | |
| Construction | Right-hand twill construction | |
| Fabric | Knit fabric |
What to Compare Before Buying
- Size: The stated size is 11-12 years. Check that this matches the wearer rather than relying on age alone.
- Waist fit: The half-elasticised waistband and adjustable waist give some flexibility, but the exact fit still matters.
- Material: The trousers use 100% polyester, including recycled polyester in the main material and pockets.
- Colour: Black is the stated colour, so compare it with any team, school or wardrobe preference.
Before You Decide
Confirm the 11-12 years size, the black colour and the adjustable-waist design before choosing an offer. If the fit needs to be exact, check the wearer’s measurements against the selected size.






