adidas UltraBoost 21 "Orbit Green"
The adidas UltraBoost 21 "Orbit Green" (S23879) released in October 2021.
Original retail (2021): $190 · Lowest resale ask: $98 on Flight Club (Nov 14, 2026)
Colorway: Orbit Green/Core Black/Acid Yellow · Style code: S23879 · Release date: October 2021 · Lowest resale ask: $98 · Availability: Available now
Source: GOAT's catalog · stores checked Nov 14, 2026, 4:22 PM ET
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