adidas UltraBoost 21 J "Crystal White Silver"
The adidas UltraBoost 21 J "Crystal White Silver" (FZ2930) released in April 2021.
Original retail (2021): $160 · Lowest resale ask: $107 on Flight Club (Nov 14, 2026)
Colorway: Crystal White/Crystal White/Hazy Green · Style code: FZ2930 · Release date: April 2021 · Lowest resale ask: $107 · Availability: Available now
Source: GOAT's catalog · stores checked Nov 14, 2026, 4:21 PM ET
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