Puma Mostro OG Prime Big Kid "Mountain Blue"
The Puma Mostro OG Prime Big Kid "Mountain Blue" (403729-01) released Monday, July 21, 2025.
Original retail (2025): $80 · Lowest resale ask: $81 on Flight Club (Nov 7, 2026)
Colorway: Mountain Blue/White · Style code: 403729-01 · Release date: July 21, 2025 · Lowest resale ask: $81 · Availability: Available now
Source: GOAT's catalog · stores checked Nov 7, 2026, 5:24 AM ET
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