The adidas Yeezy Foam Runner "MX Sand Grey" (GY3969) released Saturday, December 11, 2021.
Original retail (2021): $80 · Lowest resale ask: $122 on Flight Club (Nov 14, 2026)
Colorway: MX Sand Grey/MX Sand Grey/MX Sand Grey · Style code: GY3969 · Release date: December 11, 2021 · Lowest resale ask: $122 · Availability: Available now
Source: GOAT's catalog · stores checked Nov 14, 2026, 4:22 PM ET
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