GX2561
Adidas UltraBoost 21 J 'Black Pulse Aqua'
$85
GX2559
Adidas UltraBoost 21 J 'Carbon Solar Red'
$99
Which Kids' Black Knit adidas UltraBoost 21 cost under $100?
2 Kids' Black Knit adidas UltraBoost 21 sell new with the original box from $85 to $99; the typical pair is $85. 2 of them list under retail, one in ten of those is 45% off or more. Prices as of Oct 2026.