Adidas Ultraboost 1.0 DNA ZX 9000 Green White Red Size 8.5

In excellent condition. Clean. Please check all the pictures for more details. If you have any questions please feel free to contact me. YYA: This indicates that the size is for youth. 6 1/2: This number is likely a numerical size designation within the youth sizing system. It could correspond to either: Age: Some youth size charts use age as a primary indicator. Shoe Size: In youth shoe sizes, a size 6 is typically equivalent to a women's size 8. It's possible that 6 1/2 refers to a youth shoe size as well, potentially around a women's size 8.5. S6