adidas UltraBoost 20 Explorer "Become a Ninja Pack - Black Sonic Ink"
The adidas UltraBoost 20 Explorer "Become a Ninja Pack - Black Sonic Ink" (GY8109) released Thursday, September 9, 2021.
Lowest resale ask: $146.16 on Kicks Crew (Nov 14, 2026)
Colorway: Core Black/Core Black/Sonic Ink · Style code: GY8109 · Release date: September 9, 2021 · Lowest resale ask: $146.16 · Availability: Available now
Source: GOAT's catalog · stores checked Nov 14, 2026, 4:22 PM ET
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