S23893
Adidas UltraBoost 21 Cold.RDY 'Legend Ink Acid Yellow'
$43
FY0350
adidas UltraBoost 21 'Crew Navy'
$49
Which Blue Knit adidas UltraBoost 21 cost under $50?
2 Blue Knit adidas UltraBoost 21 in men's and women's sizes sell new with the original box from $43 to $49; the typical pair is $43. 1 of them list under retail, one in ten of those is 70% off or more. Prices as of Oct 2026.